Auth bypass in Getgrav Grav
CVE-2026-42610
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged user (EX: Content Editor with only pages.update permissions) can bypass the existing Twig sandbox restrictions by utilizing the grav['accounts'] service. Attacker can programmatically load administrative user objects and extract sensitive data, including Bcrypt password hashes and the security salt. This vulnerability is fixed in 2.0.0-beta.2.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (31.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Getgrav Grav — versions < 2.0.0-beta.2, 2.0.0
Weakness classification (CWE)
References
- github.com/getgrav/grav/security/advisories/GHSA-3f29-pqwf-v4j4 (Exploit, Patch, Vendor Advisory)
- github.com/getgrav/grav/commit/c66dfeb5ff679a1667678c6335eb9ff3255dfc47 (Patch)
Frequently asked questions
- What is CVE-2026-42610?
- CVE-2026-42610 is a medium-severity vulnerability in Getgrav Grav, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-05-11.
- How severe is CVE-2026-42610?
- Medium severity. CVSS v3 base score is 6.5 out of 10.