Deserialization in Grav Cms
CVE-2026-7317
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (28.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Grav Cms — versions 1.7.49.0, 1.7.49.1, 1.7.49.2
Weakness classification (CWE)
References
- vuldb.com/vuln/359965 (technical-description, vdb-entry)
- vuldb.com/vuln/359965/cti (signature, permissions-required)
- vuldb.com/submit/798732 (third-party-advisory)
- github.com/devsamuelsantiago/grav-cms-filecache-object-injection (exploit)
- github.com/getgrav/grav/security/advisories/GHSA-gwfr-jfjf-92vv (related)
- github.com/getgrav/grav/commit/c66dfeb5f (patch)
Frequently asked questions
- What is CVE-2026-7317?
- CVE-2026-7317 is a medium-severity vulnerability in Grav Cms, classified under Improper Input Validation. CVSS score: 5.0/10. Published 2026-04-28.
- How severe is CVE-2026-7317?
- Medium severity. CVSS v3 base score is 5.0 out of 10.