TI-2026-76619 Aliases CVE-2026-112780 GHSA-qq7h-r236-6vc5

Allowlist bypass in Grav Flex Form lets editors call static methods

MEDIUM 43CWE-749Published 2026-10-19 · Updated 2026-10-22

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Grav from 2.0.15 before 2.2.2 contains an allowlist bypass that lets page editors call arbitrary public static methods by renaming Flex form fields with replace-name@. Attackers with page-edit permission can smuggle data-*@ directives past the callable check to invoke Folder::delete, Folder::move, or Utils::download, deleting directories, overwriting files, or reading files. The flaw is classified as CWE-749.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Grav from 2.0.15 before 2.2.2 contains an allowlist bypass vulnerability that allows page editors to call arbitrary public static methods by renaming Flex form fields with replace-name@. Attackers with page-edit permission can smuggle data-*@ directives past the callable check to invoke Folder::delete, Folder::move, or Utils::download, deleting directories, overwriting files, or reading files.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00717 54th percentileScored 2026-11-07

Fix Fixed grav (getgrav): 2.2.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
getgrav	grav	2.0.15 to before 2.2.2	2.2.2	Patch available	CNA

grav Vendorgetgrav Affected 2.0.15 to before 2.2.2 Fixed in 2.2.2 Patch available CNA

Remediation

Upgrade getgrav grav to version 2.2.2, which fixes the issue. The sources list no fixed version for other Grav releases.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fix · CNA grav (getgrav) Fixed in 2.2.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-10-19
getgrav grav 2.2.2
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2026-76621 Image pixel limit bypass in Grav allows denial of servicePriority MEDIUM 45
- TI-2026-76620 Information disclosure in Grav exposes config secrets via form directivesPriority MEDIUM 45
Show all 3 records →

Timeline

2026-10-20 Threatist record created from CVE-2026-112780
2026-10-20 Alias added: GHSA-qq7h-r236-6vc5
2026-10-23 CISA SSVC decision points changed
2026-10-25 EPSS moved to the 50th–90th percentile

References

Advisory 1

GitHub Security Advisory (GHSA-9rq7-4cch-f22j)

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

See all 228 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences