CVE-2026-42609

high
Published 2026-05-05 · Modified 2026-05-13
CVSS v3
8.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS v2
VIR risk
8.1

Description

Grav Vulnerable to Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic

Predictions

Exploit likelihood
88%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/getgrav/grav/security/advisories/GHSA-rr73-568v-28f8

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/getgrav/grav/commit/d904efc33e03ebb597afde8d3368b28cf0423632

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/getgrav/grav/commit/c66dfeb5ff679a1667678c6335eb9ff3255dfc47

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663

Package impact

EcosystemPackageVulnerableFixed
php Packagistgetgrav/grav<2.0.0-beta.22.0.0-beta.2
php COMPOSERgetgrav/grav< 2.0.0-beta.22.0.0-beta.2

Application impact

VendorProductVersionsFixed
getgravgrav{"endIncluding":"1.8.0"}
getgravgrav2.0.0

References

CWEs

CWE-269 CWE-285 CWE-639 CWE-837

Verify integrity in audit chain (admin only). AS-IS.