CVE-2026-42610 Details
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.
A vulnerability exists in Grav CMS versions prior to 2.0.0-beta.2, where a low-privileged user can bypass Twig's sandbox restrictions. This is achieved by using the 'grav['accounts']' service to access administrative user objects and extract sensitive information such as Bcrypt password hashes and the security salt. This issue persists despite previous attempts to address similar vulnerabilities in earlier beta releases.
Users can upgrade to Grav CMS version 2.0.0-beta.2, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 11, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/getgrav/grav/security/advisories/GHSA-3f29-pqwf-v4j4 | CISA-ADP | ExploitPatchVendor Advisory |
| https://github.com/getgrav/grav/commit/c66dfeb5ff679a1667678c6335eb9ff3255dfc47 | [email protected] | Patch |
| https://github.com/getgrav/grav/security/advisories/GHSA-3f29-pqwf-v4j4 | [email protected] | ExploitPatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-863 | Incorrect Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| getgrav grav | <= 1.8.0 2.0.0 beta1 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 12, 2026 | Initial Analysis | [email protected] |
| May 11, 2026 | CVE Modified | CISA-ADP |
| May 11, 2026 | New CVE Received | [email protected] |