CVE-2026-106558

Published 7 October 2026 · tracked since 8 October 2026

Description

Backstage is an open framework for building developer portals. Prior to 1.14.8, 1.15.6, and 2.0.1, the @backstage/plugin-techdocs-node package improperly validated mapping-style markdown_extensions configuration. An authenticated attacker who can register or influence an SCM-backed documentation sou

References

• NVD — National Vulnerability Database
• CVE.org record (MITRE)
• CISA Known Exploited Vulnerabilities catalog

Latest tracked vulnerabilities

• CVE-2026-107204 CRITICAL 9.8
• CVE-2026-106559 MEDIUM 6.3
• CVE-2026-106560 HIGH 7.1
• CVE-2026-106561 MEDIUM 5
• CVE-2026-106563 MEDIUM 5.3
• CVE-2026-106510 HIGH 7.7
• CVE-2026-106556 HIGH 7.7
• CVE-2025-70521 CRITICAL 9.8
• CVE-2025-70518 CRITICAL 10
• CVE-2026-107177 MEDIUM 5.9

→ Open the live CVE board · all tools