{"schema":"threatline.record/2","record":{"id":"CVE-2026-106502","aliases":["GHSA-95p4-vv4g-jxxm"],"summary":"Backstage may expose sensitive information in Scaffolder task failure events","details":"### Impact\n\nUnder specific template and failure conditions, an authenticated user may be able to retrieve sensitive values from Scaffolder task events. This can expose backend-managed credentials used during task execution.\n\n### Patches\n\nPatched in `@backstage/plugin-scaffolder-backend` version `4.1.0`\n\n### Workarounds\n\n- Restrict Scaffolder template execution and task-event access to trusted users until the patched version is deployed.","categories":["Libraries & packages"],"product":"@backstage/plugin-scaffolder-backend","vendor":"backstage","ecosystem":"npm","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-95p4-vv4g-jxxm","source_modified_at":"2026-10-07T16:24:52Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"@backstage/plugin-scaffolder-backend"},"range":"< 4.1.0"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-106502","source_modified_at":"2026-10-07T15:09:21.445Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"backstage","vendor":"backstage","versions":[{"version":"< 1.54.6","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-106502","source_modified_at":"2026-10-07T15:09:21.445Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"plugin-scaffolder-backend","vendor":"@backstage","versions":[{"version":"< 4.1.0","status":"affected"}],"defaultStatus":null},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-95p4-vv4g-jxxm","source_modified_at":"2026-10-07T16:30:06.541153723Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"@backstage/plugin-scaffolder-backend","purl":"pkg:npm/%40backstage/plugin-scaffolder-backend"},"ranges":[{"events":[{"introduced":"0"},{"fixed":"4.1.0"}],"type":"SEMVER"}],"versions":[]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-95p4-vv4g-jxxm","source_modified_at":"2026-10-07T16:24:52Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"@backstage/plugin-scaffolder-backend"},"version":"4.1.0"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-95p4-vv4g-jxxm","source_modified_at":"2026-10-07T16:30:06.541153723Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"@backstage/plugin-scaffolder-backend","purl":"pkg:npm/%40backstage/plugin-scaffolder-backend"},"version":"4.1.0"}],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0029,"percentile":0.20501,"score_date":"2026-10-23"},"published_at":"2026-10-06T21:34:43.208Z","modified_at":"2026-10-07T16:30:06.541153723Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-95p4-vv4g-jxxm","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-07T16:24:52Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-106502","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-07T15:09:21.445Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-95p4-vv4g-jxxm","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-07T16:30:06.541153723Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-106502","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["GitHub Advisory Database","CVE List","OSV","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/backstage/backstage/security/advisories/GHSA-95p4-vv4g-jxxm","tags":["x_refsource_CONFIRM"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106502","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://github.com/backstage/backstage/commit/3f1e869708f002fb9838624b7379deb251691b47","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/backstage/backstage/releases/tag/v1.54.6","tags":["x_refsource_MISC"]},{"url":"https://github.com/advisories/GHSA-95p4-vv4g-jxxm","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-07T15:08:57.835240Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-07T16:30:06.541153723Z","content_hash":"d4d00035e45cb0af641ba45f8be7053c315ffe92140881206ee6889cdf59eb7d"}}