Improper access control in Diff - CVE-2026-73478

 

Improper access control in Diff - CVE-2026-73478

Published: August 13, 2026


Vulnerability identifier: #VU142263
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-73478
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected module does not sufficiently restrict access to non-node entity revision diffs. A remote attacker can bypass implemented security restrictions and gain unauthorized access to sensitive information.


Affected software

Diff

How to mitigate CVE-2026-73478

Install updates from vendor's website.

Diff - addressed in versions 2.0.1, 2.1.1

External References

Related Security Bulletins