CVE-2026-106558

npm/@backstage/plugin-techdocs-node CVE-2026-106558: high 8.8, EPSS 0.47%

Backstage: Improper validation of TechDocs MkDocs configuration

Action: Upgrade @backstage/plugin-techdocs-node to 1.15.4 or later.

npm i @backstage/plugin-techdocs-node@1.15.4

Affected

Fixed versions

Sources

• osv: 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

CVE-2026-106558 · published 2026-10-07T18:03:12Z · modified 2026-10-07T18:15:12.165363848Z · JSON