{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-106458", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-06T16:49:40.591Z", "datePublished": "2026-10-06T20:16:12.035Z", "dateUpdated": "2026-10-06T20:16:12.035Z"}, "containers": {"cna": {"title": "Backstage: Inconsistent repository filtering in Bitbucket Server catalog event updates", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/backstage/backstage/security/advisories/GHSA-c36c-cf6r-ghgj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-c36c-cf6r-ghgj"}, {"name": "https://github.com/backstage/backstage/commit/989db63b6f87c8fc04d440f296ad89e10c79b363", "tags": ["x_refsource_MISC"], "url": "https://github.com/backstage/backstage/commit/989db63b6f87c8fc04d440f296ad89e10c79b363"}, {"name": "https://github.com/backstage/backstage/releases/tag/v1.55.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/backstage/backstage/releases/tag/v1.55.0"}], "affected": [{"vendor": "backstage", "product": "backstage", "versions": [{"version": ">= 1.38.0, < 1.55.0", "status": "affected"}]}, {"vendor": "@backstage", "product": "plugin-catalog-backend-module-bitbucket-server", "versions": [{"version": ">= 0.4.0, < 0.5.15", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-06T20:16:12.035Z"}, "descriptions": [{"lang": "en", "value": "Backstage is an open framework for building developer portals. From 0.4.0 until 0.5.15, the @backstage/plugin-catalog-backend-module-bitbucket-server package is affected by inconsistent repository filtering in bitbucket server catalog event updates. Deployments using event-driven updates in the Bitbucket Server catalog provider may ingest catalog locations from repositories that are excluded by the provider's configured project, repository, or archived-repository filters. An authenticated Bitbucket Server user who can push to a filtered-out repository that remains readable by the configured Backstage integration can trigger a legitimate repository event. The affected event path may then add a Location for that repository even though scheduled discovery excludes it. This issue is fixed in version 0.5.15."}], "source": {"advisory": "GHSA-c36c-cf6r-ghgj", "discovery": "UNKNOWN"}}}}

{}

{}

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{}