CVE-2026-106509Published
Backstage: Improper validation of MkDocs theme configuration in TechDocs
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-106509 · Microsoft / collected KEV context
cve-program · CVE-2026-106509
- https://github.com/backstage/backstage/security/advisories/GHSA-8w7q-29mw-gf5c
- https://github.com/backstage/backstage/commit/02cd7cdbb18b687446277b5602adaee7f1d53cbb
- https://github.com/backstage/backstage/commit/a900a9953c8f7ad3ba1906d1d257725a9996cc9d
- https://github.com/backstage/backstage/releases/tag/v1.50.5
- https://github.com/backstage/backstage/releases/tag/v1.54.6
euvd · EUVD-2026-94074
- https://github.com/backstage/backstage/security/advisories/GHSA-8w7q-29mw-gf5c
- https://github.com/backstage/backstage/commit/02cd7cdbb18b687446277b5602adaee7f1d53cbb
- https://github.com/backstage/backstage/commit/a900a9953c8f7ad3ba1906d1d257725a9996cc9d
- https://github.com/backstage/backstage/releases/tag/v1.50.5
- https://github.com/backstage/backstage/releases/tag/v1.54.6
nvd · CVE-2026-106509
- https://github.com/backstage/backstage/commit/02cd7cdbb18b687446277b5602adaee7f1d53cbb
- https://github.com/backstage/backstage/commit/a900a9953c8f7ad3ba1906d1d257725a9996cc9d
- https://github.com/backstage/backstage/releases/tag/v1.50.5
- https://github.com/backstage/backstage/releases/tag/v1.54.6
- https://github.com/backstage/backstage/security/advisories/GHSA-8w7q-29mw-gf5c
osv · GHSA-8w7q-29mw-gf5c
- https://github.com/backstage/backstage/security/advisories/GHSA-8w7q-29mw-gf5c
- https://nvd.nist.gov/vuln/detail/CVE-2026-106509
- https://github.com/backstage/backstage/commit/02cd7cdbb18b687446277b5602adaee7f1d53cbb
- https://github.com/backstage/backstage/commit/a900a9953c8f7ad3ba1906d1d257725a9996cc9d
- https://github.com/backstage/backstage
- https://github.com/backstage/backstage/releases/tag/v1.50.5
- https://github.com/backstage/backstage/releases/tag/v1.54.6
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.