Directory Traversal Vulnerability in Grav CMS by Getgrav
CVE-2026-78851

6.5MEDIUM

Key Information:

Vendor

Getgrav

Status
Grav CMS
Vendor
CVE Published:
15 October 2026

What is CVE-2026-78851?

A Directory Traversal vulnerability exists in Grav CMS versions 2.0.3 to 2.0.6, enabling malicious actors to access sensitive information. This flaw is tied to the GravExtension.php file and can be exploited via the mediaDirFunc method, allowing unauthorized access to files on the server. It is crucial for administrators to update to the latest version to mitigate risks associated with this vulnerability.

References

https://github.com/getgrav/grav
https://github.com/getgrav/grav/blob/2.0.6/system/src/Gra...
https://github.com/getgrav/grav/blob/2.0.6/system/config/...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.