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CVE-2026-77883

Apache Syncope: Information disclosure via one-hop JEXL navigation past the JexlContextBuilder name denylist

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-77883

Published

Exposure of sensitive information through data queries vulnerability in Apache Syncope. An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access LinkedAccount's (if present) or Manager's (if defined) sensitive information, possibly including hashed credentials. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2. Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-77883

Published

org.apache.syncope.core:syncope-core-provisioning-api

https://repo.maven.apache.org/maven2

Publisher's version information

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

{
                    "vendor": "Apache Software Foundation",
                    "product": "Apache Syncope",
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "packageName": "org.apache.syncope.core:syncope-core-provisioning-api",
                    "packageURL": "pkg:maven/org.apache.syncope.core/syncope-core-provisioning-api",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "3.0.0-M0",
                            "lessThanOrEqual": "3.0.16",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "4.0.0-M0",
                            "lessThanOrEqual": "4.0.7",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "4.1.0-M0",
                            "lessThanOrEqual": "4.1.2",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

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