CVE-2026-42608
critical
CVSS v3
9.1
CVSS v2
—
VIR risk
9.1
Description
Grav has Unauthenticated Path Traversal & Arbitrary File Write in its FormFlash component
Predictions
Exploit likelihood
94%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: security-advisories@github.com — https://github.com/getgrav/grav/security/advisories/GHSA-hmcx-ch82-3fv2
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | getgrav/grav | <2.0.0-beta.2 | 2.0.0-beta.2 |
| COMPOSER | getgrav/grav | < 2.0.0-beta.2 | 2.0.0-beta.2 |
References
- https://github.com/advisories/GHSA-hmcx-ch82-3fv2
- https://github.com/getgrav/grav/security/advisories/GHSA-hmcx-ch82-3fv2
- https://nvd.nist.gov/vuln/detail/CVE-2026-42608
- https://github.com/getgrav/grav/commit/c66dfeb5ff679a1667678c6335eb9ff3255dfc47
- https://github.com/getgrav/grav/commit/d904efc33e03ebb597afde8d3368b28cf0423632
- https://github.com/getgrav/grav
CWEs
CWE-22
Verify integrity in audit chain (admin only). AS-IS.