Improper access control in Combined image style - CVE-2026-96377
Published: September 24, 2026
Vulnerability identifier: #VU151910
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-96377
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 validate image style names when generating image derivatives. A remote attacker can generate image derivatives without a valid token and perform a denial of service (DoS) attack.
Affected software
Combined image style
How to mitigate CVE-2026-96377
Install updates from vendor's website.
Combined image style - update to 1.0.7