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CVE-2026-17615

Resteasy-core: resteasy sourceprovider remote unauthenticated file read

CVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-17615

Published

A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perform an unauthenticated remote file read. By sending a specially crafted XML body with a DOCTYPE declaration referencing external entities to an endpoint that accepts application/xml and returns Source or StreamSource, the server can be tricked into resolving the entity and including sensitive file contents in the HTTP response. This is due to the SourceProvider.writeTo() method creating a SAXParser without disabling external entity resolution, leading to an XML External Entity (XXE) vulnerability.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-17615

Published

org.jboss.resteasy/resteasy-core

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Build of Apache Camel 3.33.3.SP1",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "org.jboss.resteasy/resteasy-core",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "6.2.16.Final-redhat-00003",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:apache_camel_quarkus:3.33"
                    ]
                }

rhbk/keycloak-operator-bundle

https://catalog.redhat.com/software/containers/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhbk/keycloak-operator-bundle",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "26.6.7-3",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

rhbk/keycloak-rhel9

https://catalog.redhat.com/software/containers/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhbk/keycloak-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "26.6-20",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

rhbk/keycloak-rhel9-operator

https://catalog.redhat.com/software/containers/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhbk/keycloak-rhel9-operator",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "26.6-20",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

keycloak/rhbk-rhel9-operator

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6.7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "keycloak/rhbk-rhel9-operator",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

resteasy-core

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6.7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "resteasy-core",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

rhbk/keycloak-rhel9-operator

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6.7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "rhbk/keycloak-rhel9-operator",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

rhbk-keycloak-rhel9-operator/rhbk-keycloak-rhel9-operator

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6.7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "rhbk-keycloak-rhel9-operator/rhbk-keycloak-rhel9-operator",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

rhbk-rhel9-operator/rhbk-rhel9-operator

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6.7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "rhbk-rhel9-operator/rhbk-rhel9-operator",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

org.jboss.resteasy/resteasy-core

https://access.redhat.com/jbossnetwork/restricted/listSoftware.html

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Quarkus 3.27.5.SP1",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "org.jboss.resteasy/resteasy-core",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "6.2.12.Final-redhat-00003",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:quarkus:3.27"
                    ]
                }

org.jboss.resteasy/resteasy-core

https://access.redhat.com/jbossnetwork/restricted/listSoftware.html

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Quarkus 3.33.3.SP1",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "org.jboss.resteasy/resteasy-core",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "6.2.16.Final-redhat-00003",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:quarkus:3.33"
                    ]
                }

resteasy

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "resteasy",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:3.0.26-20.el9_8",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9::appstream"
                    ]
                }

resteasy

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "resteasy",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:3.0.26-16.el9_2",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_e4s:9.2::appstream"
                    ]
                }

resteasy

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "resteasy",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:3.0.26-20.el9_4",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_e4s:9.4::appstream"
                    ]
                }

resteasy

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9.6 Extended Update Support",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "resteasy",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:3.0.26-20.el9_6",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_eus:9.6::appstream"
                    ]
                }

resteasy-core

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform 8.1",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "resteasy-core",
                    "cpes": [
                        "cpe:/a:redhat:jboss_enterprise_application_platform:8.1"
                    ]
                }

resteasy-core

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform 8.1",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "resteasy-core",
                    "cpes": [
                        "cpe:/a:redhat:jboss_enterprise_application_platform_xp:6.0"
                    ]
                }

resteasy-core

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Apache Camel 4 for Quarkus 3",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "resteasy-core",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:camel_quarkus:3"
                    ]
                }

resteasy-core

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Apicurio Registry 3",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "resteasy-core",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:apicurio_registry:3"
                    ]
                }

resteasy-core

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Debezium 3",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "resteasy-core",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:debezium:3"
                    ]
                }

pki-core:10.6/resteasy

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "pki-core:10.6/resteasy",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:8"
                    ]
                }

pki-deps:10.6/resteasy

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "pki-deps:10.6/resteasy",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:8"
                    ]
                }

resteasy-core

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Fuse 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "resteasy-core",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:jboss_fuse:7"
                    ]
                }

resteasy-core

https://access.redhat.com/jbossnetwork/restricted/listSoftware.html

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "resteasy-core",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:jbosseapxp"
                    ]
                }

candlepin

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Satellite 6",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "candlepin",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:satellite:6"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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