CVE-2026-42610 Grav: Sensitive Information Disclosure via Accounts Service Bypass
Low-privileged users can bypass Twig sandbox restrictions to extract sensitive administrative data, including password hashes and security salts.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-42610?
CVE-2026-42610 is a medium-severity vulnerability in Getgrav Grav, published on 11 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-863
Which versions are affected by CVE-2026-42610?
2 open source packages ship an affected version, including getgrav/grav. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
getgrav/grav Packagist | All versions | 2.0.0-beta.2 |
getgrav/grav Packagist | All versions | 2.0.0-beta.2 |
Products include Getgrav Grav.
How do I fix CVE-2026-42610?
Upgrade getgrav/grav to 2.0.0-beta.2 or later.
Is CVE-2026-42610 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-42610 exists.
Other vulnerabilities in Getgrav Grav
- CVE-2023-34251 Grav Server Side Template Injection vulnerability
- CVE-2025-46199 Cross-site scripting in n/a
- CVE-2021-47812 GravCMS 1.10.7 - Arbitrary YAML Write/Update (Unauthenticated) (2)
- CVE-2025-66844 Grav may be vulnerable to SSRF attack via Twig Templates
- CVE-2022-2073 Code Injection in getgrav/grav
Sources
Also known as GHSA-3f29-pqwf-v4j4.