{"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-2026-106509"],"ecosystem":"npm","epss":0.0037,"exploited":false,"fixed_versions":["1.15.4"],"ghsa_id":"GHSA-8w7q-29mw-gf5c","id":"tcs_01M5KFE5EG1PS0SSHT1X4JB1DA","modified_at":"2026-10-07T16:30:04.718106469Z","published_at":"2026-10-07T16:23:30Z","references":["https://osv.dev/vulnerability/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"],"severity":{"label":"high","score":7.7},"sources":[{"source":"osv","source_id":"GHSA-8w7q-29mw-gf5c","url":"https://osv.dev/vulnerability/GHSA-8w7q-29mw-gf5c"}],"summary":"Backstage: Improper validation of MkDocs theme configuration in TechDocs"}