Improper access control in Apache Answer - CVE-2026-48912
Published: August 24, 2026
Vulnerability identifier: #VU144922
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-48912
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to delete arbitrary uploaded files.
The vulnerability exists due to improper access control in the avatar-cleanup logic when processing avatar update requests with user-supplied file URLs. A remote user can supply a file URL belonging to another user to delete arbitrary uploaded files.
Affected software
Apache Answer
How to mitigate CVE-2026-48912
Install security update from vendor's website.
Apache Answer - update to 2.0.2