{"id":"CVE-2026-44374","revision":null,"records":[{"revision":"59128b199f664600b5ff212ec9b40bde","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-44374","aliases":[],"title":"Backstage: Catalog unprocessed read endpoints allow authenticated cross-owner data access without permission checks","description":"Backstage is an open framework for building developer portals. Prior to 0.6.11, the unprocessed entities read endpoints in @backstage/plugin-catalog-backend-module-unprocessed do not enforce permission authorization checks. Any authenticated user can access unprocessed entity records regardless of ownership. This is an information disclosure vulnerability affecting Backstage installations using this module. This is patched in @backstage/plugin-catalog-backend-module-unprocessed version 0.6.11, @backstage/plugin-catalog-unprocessed-entities-common version 0.0.15 and @backstage/plugin-catalog-unprocessed-entities version 0.2.30.","state":0,"publishedAt":"2026-05-14T14:30:04.945+00:00","modifiedAt":"2026-05-14T19:51:53.801+00:00","affected":[{"ecosystem":"Vendor product","name":"plugin-catalog-backend-module-unprocessed","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"@backstage\",\n                    \"product\": \"plugin-catalog-backend-module-unprocessed\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 0.6.11\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"plugin-catalog-unprocessed-entities","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"@backstage\",\n                    \"product\": \"plugin-catalog-unprocessed-entities\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 0.2.30\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"plugin-catalog-unprocessed-entities-common","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"@backstage\",\n                    \"product\": \"plugin-catalog-unprocessed-entities-common\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 0.0.15\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/backstage/backstage/security/advisories/GHSA-p7g9-rp3g-mgfg"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-44374","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-44374","identifiers":["CVE-2026-44374"]},"retained":false,"historicalAffected":[]},{"revision":"7a7bf2f749ee477b8055646d7cf5d0f3","observedAt":"2026-10-28T06:07:25.816+00:00","statement":{"source":"euvd","id":"EUVD-2026-30295","aliases":["CVE-2026-44374","GHSA-p7g9-rp3g-mgfg"],"title":"Backstage is an open framework for building developer portals. 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This is patched in @backstage/plugin-catalog-backend-module-unprocessed version 0.6.11, @backstage/plugin-catalog-unprocessed-entities-common version 0.0.15 and @backstage/plugin-catalog-unprocessed-entities version 0.2.30.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3,"severity":null}],"references":["https://github.com/backstage/backstage/security/advisories/GHSA-p7g9-rp3g-mgfg"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-30295","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"May 14, 2026, 2:30:04 PM","dateUpdated":"May 14, 2026, 7:51:53 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. 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Prior to 0.6.11, the unprocessed entities read endpoints in @backstage/plugin-catalog-backend-module-unprocessed do not enforce permission authorization checks. Any authenticated user can access unprocessed entity records regardless of ownership. This is an information disclosure vulnerability affecting Backstage installations using this module. This is patched in @backstage/plugin-catalog-backend-module-unprocessed version 0.6.11, @backstage/plugin-catalog-unprocessed-entities-common version 0.0.15 and @backstage/plugin-catalog-unprocessed-entities version 0.2.30.","state":0,"publishedAt":"2026-05-14T15:16:48.25+00:00","modifiedAt":"2026-10-26T14:10:00.13+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/backstage/backstage/security/advisories/GHSA-p7g9-rp3g-mgfg"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-44374","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-863"],"productCriteria":["cpe:2.3:a:linuxfoundation:backstage\\/plugin-catalog-backend-module-unprocessed:*:*:*:*:*:node.js:*:*","cpe:2.3:a:linuxfoundation:backstage\\/plugin-catalog-unprocessed-entities:*:*:*:*:*:node.js:*:*","cpe:2.3:a:linuxfoundation:backstage\\/plugin-catalog-unprocessed-entities-common:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-05-14T15:16:48.250","lastModified":"2026-10-26T14:10:00.130"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-44374","identifiers":["CVE-2026-44374"]},"retained":false,"historicalAffected":[]},{"revision":"937ce257781648d6854dbe190230e7da","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-p7g9-rp3g-mgfg","aliases":["CVE-2026-44374"],"title":"Backstage: Catalog unprocessed read endpoints allow authenticated cross-owner data access without permission checks","description":"### Impact   \n\n  The unprocessed entities read endpoints in `@backstage/plugin-catalog-backend-module-unprocessed` do not enforce permission authorization checks. Any authenticated user can access unprocessed entity records regardless of ownership. This is \n  an information disclosure vulnerability affecting Backstage installations using this module.                                                                     \n                                                                        \n  ### Patches             \n                                         \n  This is patched in `@backstage/plugin-catalog-backend-module-unprocessed` version 0.6.11, `@backstage/plugin-catalog-unprocessed-entities-common` version 0.0.15 and `@backstage/plugin-catalog-unprocessed-entities` version 0.2.30. Users should upgrade all packages.                                    \n   \n  ### Workarounds                                                                                                                                                                                                                                  \n                                                                        \n  If users cannot upgrade, they can remove the `@backstage/plugin-catalog-backend-module-unprocessed` module from their backend until the patch is applied. There is no configuration-based workaround to add permission checks to these endpoints    \n  without upgrading.","state":0,"publishedAt":"2026-05-06T23:04:07+00:00","modifiedAt":"2026-05-14T21:03:41.658932+00:00","affected":[{"ecosystem":"npm","name":"@backstage/plugin-catalog-unprocessed-entities-common","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.0.15"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"@backstage/plugin-catalog-unprocessed-entities","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.2.30"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"@backstage/plugin-catalog-backend-module-unprocessed","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.6.11"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/backstage/backstage/security/advisories/GHSA-p7g9-rp3g-mgfg","https://nvd.nist.gov/vuln/detail/CVE-2026-44374","https://github.com/backstage/backstage"],"sourceUrl":"https://github.com/advisories/GHSA-p7g9-rp3g-mgfg","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-p7g9-rp3g-mgfg","identifiers":["GHSA-p7g9-rp3g-mgfg","CVE-2026-44374"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-28T08:06:21.3224229+00:00","complete":true,"records":1760,"lastAttemptAt":"2026-10-28T08:06:21.3224229+00:00","lastSuccessAt":"2026-10-28T08:06:21.4738044+00:00","error":null,"lastVerifiedAt":"2026-10-28T08:06:21.473805+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-d2186f400c54d65f61687f78bb1a00d184d2e215877d0194d7ed70caee809a44-d3e81f89111bb0d33cac14dd0db97453c7217c57124333cc944f6fba75122549","complete":true,"records":415603,"lastAttemptAt":"2026-10-28T08:06:20.8316261+00:00","lastSuccessAt":"2026-10-28T08:06:20.7809924+00:00","error":null,"lastVerifiedAt":"2026-10-28T08:06:20.8316261+00:00","snapshotPublishedAt":"2026-10-28T07:25:55+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. 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