TI-2026-58728 Aliases CVE-2026-85603 GHSA-67xf-jwpx-5m9q

Grav Admin Plugin Path Traversal via Save As Language Code

LOW 32CWE-73Published 2026-09-04 · Updated 2026-09-14

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-73 and the CVSS impact.

Summary

Grav versions before 1.10.55 contain a path traversal vulnerability in the admin plugin's Save As action that fails to validate the language code parameter. An authenticated admin user with admin.pages.create permission can supply directory traversal sequences in the lang POST field to write arbitrary .md files outside the pages directory with attacker-controlled content.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00625 50th percentileScored 2026-11-07

Fix Fixed grav (getgrav): 1.10.55

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

Vendor	Product	Affected versions	Fixed in	Status	Source
getgrav	grav	before 1.10.55	1.10.55	Patch available	CNA

grav Vendorgetgrav Affected before 1.10.55 Fixed in 1.10.55 Patch available CNA

Remediation

Fix · CNA grav (getgrav) Fixed in 1.10.55

Timeline

2026-10-02 Threatist record created from CVE-2026-85603
2026-10-03 Alias added: GHSA-67xf-jwpx-5m9q
2026-11-03 EPSS moved to the 50th–90th percentile

References

Advisory 1

GitHub Security Advisory (GHSA-h9g9-73c3-23c9)

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