TI-2026-44257 Aliases CVE-2026-61842 GHSA-mc5q-6hpj-rp7j

Grav: Twig sandbox config exfiltration via grav.offsetGet + dump filter (CVE-2026-44738 bypass)

LOW 29CWE-200Published 2026-08-19 · Updated 2026-08-19

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

Grav is a file-based Web platform. Prior to 2.0.2, the Grav Twig content sandbox permits grav.offsetGet('config') to return the raw configuration object and permits json_encode, print_r, yaml_encode, and string filters to serialize that object without passing through GravSecurityPolicy::checkMethodAllowed. A user with page-author permissions can render sandboxed content that exposes plugins.* configuration secrets, including SMTP credentials, API keys, and plugin database credentials. This issue is fixed in version 2.0.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00438 38th percentileScored 2026-11-07

Fix Fixed grav (getgrav): 2.0.2getgrav/grav (Packagist): 2.0.2

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 2.0.2	2.0.2	Patch available	CNA
—	getgrav/grav (Packagist)	before 2.0.2	2.0.2	Patch available	GHSA-mc5q-6hpj-rp7j

grav Vendorgetgrav Affected before 2.0.2 Fixed in 2.0.2 Patch available CNA
getgrav/grav (Packagist) Vendor— Affected before 2.0.2 Fixed in 2.0.2 Patch available GHSA-mc5q-6hpj-rp7j

Remediation

Fix · CNA grav (getgrav) Fixed in 2.0.2
Fix · GHSA-mc5q-6hpj-rp7j getgrav/grav (Packagist) Fixed in 2.0.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-61842
2026-10-03 Alias added: GHSA-mc5q-6hpj-rp7j

References

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2026-61842

Other 4

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