CVE-2026-54588: Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

critical Affects poweradmin/poweradmin. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Package
poweradmin/poweradmin Composer
Affected versions
<4.2.4 or >=4.3.0 and <4.3.3
Fixed in
4.2.4, 4.3.3
Severity
critical  CVSS 9.6
Exploitation
not on CISA KEV · EPSS 1% (45.5th percentile)
Published
2026-07-28
Source
osv.dev

References

CWE-601
NVD recordpoweradmin/poweradmin advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked

Related advisories