Vulnerability in Getgrav Grav
CVE-2026-72696
Grav CMS before 2.0.16 contains a symlink following vulnerability in Scheduler Job::createLockFile() that allows local attackers to overwrite arbitrary files by pre-creating symlinks at predictable lock file paths in the world-writable temp directory. Attackers can place a symlink at the predictable lock path pointing to any file the web server process can write to, and the next scheduled job run will follow the symlink and overwrite the target file's content with the job ID string.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (8.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/getgrav/grav/security/advisories/GHSA-q8w8-6cq5-j4h2 (vendor-advisory)
- www.vulncheck.com/advisories/grav-cms-before-symlink-following-via-createlockfi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-72696?
- CVE-2026-72696 is a high-severity vulnerability in Getgrav Grav, classified under Improper Link Resolution Before File Access. CVSS score: 8.4/10. Published 2026-08-25.
- How severe is CVE-2026-72696?
- High severity. CVSS v3 base score is 8.4 out of 10.