{"id":"CVE-2026-106502","aliases":["GHSA-95p4-vv4g-jxxm"],"url":"https://o3.security/vulnerability/CVE-2026-106502","summary":"Backstage: Sensitive information may be exposed 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.","published":"2026-10-06T21:34:43.208Z","modified":"2026-10-21T02:54:35.344034281Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"@backstage/plugin-scaffolder-backend","fixedVersion":"4.1.0"}],"fix":{"url":"https://github.com/backstage/backstage/commit/3f1e869708f002fb9838624b7379deb251691b47","label":"backstage/backstage@3f1e869"},"references":[{"type":"WEB","url":"https://github.com/backstage/backstage/releases/tag/v1.54.6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/106xxx/CVE-2026-106502.json"},{"type":"ADVISORY","url":"https://github.com/backstage/backstage/security/advisories/GHSA-95p4-vv4g-jxxm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106502"},{"type":"FIX","url":"https://github.com/backstage/backstage/commit/3f1e869708f002fb9838624b7379deb251691b47"},{"type":"PACKAGE","url":"https://github.com/backstage/backstage"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-21T02:54:35.344034281Z"}}