Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.
High-risk advisory
CVE-2026-54588
Summary
Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.
Why it matters
GitHub has published a reviewed security advisory for poweradmin/poweradmin. Prioritize it with other application dependency updates, especially because EPSS places it in the 24% percentile.
Operator check
Check whether poweradmin/poweradmin is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 24%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.