Improper Authentication in AhsayCBS - CVE-2026-105133
Published: October 15, 2026
Vulnerability identifier: #VU155933
CSH Severity: High
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-105133
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication.
The vulnerability exists due to improper authentication in the checkSysPwd function in com/ahsay/obs/api/ApiStructsAction.java when handling API authentication requests. A remote attacker can submit a random token in place of valid credentials to bypass authentication.
The vulnerability has been exploited in conjunction with CVE-2026-105134 since at least October 4, 2026.
Affected software
AhsayCBS
How to mitigate CVE-2026-105133
Install security update from vendor's website.
AhsayCBS - addressed in versions 9.15.2.70, 10.3.4.45