CVE-2026-42609: getgrav grav · Improper Privilege Management
Affects getgrav gravSource CVE Database V5
Not known to be exploited · CVSS 8.1 High : upgrade to 2.0.0-beta.2 soon.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.0.0-beta.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade getgrav grav to 2.0.0-beta.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| getgravgrav | Affected
| Fixed in
|
GitHubgetgrav/gravpkg:github/getgrav/gravOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade Grav to version 2.0.0-beta.2 or later, where this vulnerability is fixed. No other official remediation or temporary fixes are documented. Patch status is not explicitly stated beyond the fixed version; therefore, users should verify with the vendor advisory for the latest remediation guidance.
Description
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escalation of the root account. This vulnerability is fixed in 2.0.0-beta.2.
References
- github.com/getgrav/grav/security/advisories/GHSA-rr73-568v-28f8 (opens in a new tab)
- github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663 (opens in a new tab)
- github.com/getgrav/grav/commit/c66dfeb5ff679a1667678c6335eb9ff3255dfc47 (opens in a new tab)
- github.com/getgrav/grav/commit/d904efc33e03ebb597afde8d3368b28cf0423632 (opens in a new tab)