Unauthorized page deletion in Grav via Flex form directives
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Grav from 2.0.0 before 2.2.5 contains an improper access control flaw in FlexDirectory::dynamicFlexField() that lets page authors call arbitrary Flex object methods through flex-*@ directives in page frontmatter. When a user with page edit rights opens the page, the directives run in that user's session and can delete protected pages that neither account is allowed to delete.
Written with Claude Haiku 5.5 from the sources below · 2026-11-05
Description from the CNA
Grav from 2.0.0 before 2.2.5 contains an improper access control vulnerability in FlexDirectory::dynamicFlexField() that allows page authors to call arbitrary Flex object methods via flex-*@ directives in page frontmatter. When a user with page edit rights opens the page, directives calling setStorageKey() and delete() run in their session, deleting protected pages neither account may delete.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Upgrade getgrav grav to version 2.2.5, which fixes the issue.
Written with Claude Haiku 5.5 from the sources below · 2026-11-05
- Fix · CNA grav (getgrav) Fixed in 2.2.5
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
getgrav grav 2.2.5
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-79156 Grav discloses HTTP Basic credentials through Twig Uri outputPriority LOW 30
Timeline
- 2026-10-22 Threatist record created from CVE-2026-114660
- 2026-10-22 Alias added: GHSA-78r2-qf6v-6gr4
- 2026-10-23 Priority changed: MEDIUM → LOW
- 2026-11-05 CISA SSVC decision points changed
References
More getgrav vulnerabilities
- TI-2026-30893 Grav: Privilege Escalation via Missing Server-Side Validation of groups/access CVSS 3.1CRITICAL 9.4
- TI-2025-28971 Cross Site Scripting vulnerability in grav v.1.7.48 and before allows an attacker to… CVSS 3.1CRITICAL 9.8
- TI-2021-04523 Unauthenticated Arbitrary YAML Write/Update leads to Code Execution CVSS 3.1CRITICAL 9.8
- TI-2026-50940 Grav CMS before 2.0.16 Origin Validation Bypass via Referer CVSS 4.0CRITICAL 9.3
- TI-2026-46446 Grav before 2.0.7 Remote Code Execution via Blueprint dynamicData CVSS 4.0CRITICAL 9.3
- TI-2021-22428 GravCMS 1.10.7 - Arbitrary YAML Write/Update (Unauthenticated) (2) CVSS 4.0CRITICAL 9.3
Sources
- CVE-2026-114660 · CVE Program
- CVE-2026-114660 · NVD
- FIRST EPSS
- GHSA-78r2-qf6v-6gr4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences