{"action":"Upgrade @backstage/plugin-techdocs-node to 1.15.4 or later.","affected":[{"fixed":"1.15.4","introduced":"0"}],"component":"@backstage/plugin-techdocs-node","cve_ids":["CVE-2026-106558"],"ecosystem":"npm","epss":0.00469,"exploited":false,"fixed_versions":["1.15.4"],"ghsa_id":"GHSA-qmw3-745m-w99g","id":"tcs_01M5KG6KZQTWD77G3YVE6QKHGE","modified_at":"2026-10-07T18:15:12.165363848Z","published_at":"2026-10-07T18:03:12Z","references":["https://osv.dev/vulnerability/GHSA-qmw3-745m-w99g","https://github.com/backstage/backstage/security/advisories/GHSA-qmw3-745m-w99g","https://nvd.nist.gov/vuln/detail/CVE-2026-106558","https://github.com/backstage/backstage/commit/32723a0fe4e12ed80535fc65d5331765c55aa91b","https://github.com/backstage/backstage/commit/944edb51c8524d3664b18f2d57ba101b1c93b709","https://github.com/backstage/backstage/commit/f18e9abcc6051491862b15e4fc60e69f8d52310c","https://github.com/backstage/backstage","https://github.com/backstage/backstage/releases/tag/v1.50.7","https://github.com/backstage/backstage/releases/tag/v1.54.9","https://github.com/backstage/backstage/releases/tag/v1.55.2"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-qmw3-745m-w99g","url":"https://osv.dev/vulnerability/GHSA-qmw3-745m-w99g"}],"summary":"Backstage: Improper validation of TechDocs MkDocs configuration"}