{"action":"Upgrade @backstage/plugin-techdocs-backend to 2.2.4 or later.","affected":[{"fixed":"2.2.4","introduced":"0"}],"component":"@backstage/plugin-techdocs-backend","cve_ids":["CVE-2026-106490"],"ecosystem":"npm","epss":0.00369,"exploited":false,"fixed_versions":["2.2.4"],"ghsa_id":"GHSA-7mfx-xg57-53c9","id":"tcs_01M5KFAD23KE22ZZCAF95C61A4","modified_at":"2026-10-07T18:15:13.170035612Z","published_at":"2026-10-07T18:00:00Z","references":["https://osv.dev/vulnerability/GHSA-7mfx-xg57-53c9","https://github.com/backstage/backstage/security/advisories/GHSA-7mfx-xg57-53c9","https://nvd.nist.gov/vuln/detail/CVE-2026-106490","https://github.com/backstage/backstage/commit/40ecc4c2e88b0218125b0a3405d1f6315b321974","https://github.com/backstage/backstage","https://github.com/backstage/backstage/releases/tag/v1.54.6"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-7mfx-xg57-53c9","url":"https://osv.dev/vulnerability/GHSA-7mfx-xg57-53c9"}],"summary":"Backstage: Improper input validation in TechDocs static content requests"}