CVE-2026-42613: Grav Vulnerable to Privilege Escalation via Missing Server-Side Validation of groups/access

critical Affects getgrav/grav. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Grav Vulnerable to Privilege Escalation via Missing Server-Side Validation of groups/access

Package
getgrav/grav Composer
Affected versions
<2.0.0-beta.2
Fixed in
2.0.0-beta.2
Severity
critical  CVSS 9.4
Exploitation
not on CISA KEV · EPSS 1% (66.4th percentile)
Published
2026-05-05
Source
osv.dev

References

CWE-20
NVD recordgetgrav/grav 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.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   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