Grav CMS Cache Value FileCache.php doGet deserialization
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
A vulnerability was found in Grav CMS up to 1.7.49.5/2.0.0-beta.1. Affected by this vulnerability is the function FileCache::doGet of the file system/src/Grav/Framework/Cache/Adapter/FileCache.php of the component Cache Value Handler. The manipulation results in deserialization. The attack may be launched remotely. The attack requires a high level of complexity. The exploitation appears to be difficult. The exploit has been made public and could be used. Upgrading to version 2.0.0-beta.2 addresses this issue. The patch is identified as c66dfeb5f. The affected component should be upgraded.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Grav | CMS | 1.7.49.0; 1.7.49.1; 1.7.49.2; 1.7.49.3; 1.7.49.4; 1.7.49.5; 2.0.0-beta.0; 2.0.0-beta.1 | 2.0.0-beta.2 | Patch available | CNA |
| — | getgrav/grav (Packagist) | before 2.0.0-beta.2 | 2.0.0-beta.2 | Patch available | GHSA-gwfr-jfjf-92vv |
- CMS VendorGrav Affected 1.7.49.0; 1.7.49.1; 1.7.49.2; 1.7.49.3; 1.7.49.4; 1.7.49.5; 2.0.0-beta.0; 2.0.0-beta.1 Fixed in 2.0.0-beta.2 Patch available CNA
- getgrav/grav (Packagist) Vendor— Affected before 2.0.0-beta.2 Fixed in 2.0.0-beta.2 Patch available GHSA-gwfr-jfjf-92vv
Remediation
- Fix · CNA CMS (Grav) Fixed in 2.0.0-beta.2
- Fix · GHSA-gwfr-jfjf-92vv getgrav/grav (Packagist) Fixed in 2.0.0-beta.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-7317
- 2026-10-03 Alias added: GHSA-gwfr-jfjf-92vv
References
More Grav vulnerabilities
- TI-2026-40880 Grav - XML External Entity Injection via SVG Upload CVSS 4.0HIGH 7.1
- TI-2026-42219 Grav - Arbitrary File Upload via Avatar Endpoint CVSS 4.0MEDIUM 5.3
- TI-2026-10325 Stored XSS via missing XSS safety check in Admin2 Pages API partial validation CVSS 4.0MEDIUM 5.1
- TI-2026-42222 Grav - Stored CSS Injection via Markdown Image resize() Action CVSS 4.0MEDIUM 4.8
- TI-2026-40879 Grav - Multiple Remote Code Execution Vulnerabilities via Unsafe Unserialize and Command Injection CVSS 4.0CRITICAL 9.3
Sources
- CVE-2026-7317 · CVE Program
- CVE-2026-7317 · NVD
- FIRST EPSS
- GHSA-gwfr-jfjf-92vv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences