THREATOPS

THREAT OPS › Threat News › [NVD] CVE-2026-73563 (MEDIUM 4.7) — Backstage is an open framework for building developer portals. Prior to 0.29.2, the experimental dynamic client registration and client ID metadata document features in the @backstage/plugin-auth-backend use full-string matcher.isMatch glob matching for auth.experimentalDynamicCl

[NVD] CVE-2026-73563 (MEDIUM 4.7) — Backstage is an open framework for building developer portals. Prior to 0.29.2, the experimental dynamic client registration and client ID metadata document features in the @backstage/plugin-auth-backend use full-string matcher.isMatch glob matching for auth.experimentalDynamicCl

lownvdPublished 2026-08-13

CVE-2026-73563 CVSS: 4.7 MEDIUM Published: 2026-08-13T18:18:18.803

Backstage is an open framework for building developer portals. Prior to 0.29.2, the experimental dynamic client registration and client ID metadata document features in the @backstage/plugin-auth-backend use full-string matcher.isMatch glob matching for auth.experimentalDynamicClientRegistration.allowedRedirectUriPatterns and the

MITRE ATT&CK techniques

CredentialsT1589.001

Indicators of compromise

CVE-2026-73563cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-73563