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CVE-2026-105133: Ahsay AhsayCBS Improper Authentication Vulnerability

RBRecent Breaches Vulnerability Intelligence·Oct 14, 2026
CVSS 5.5 · Medium⚠ Actively exploited (CISA KEV)
5.5
CVSS score
Medium
Severity
Active
CISA KEV
No
Ransomware use
Oct 17, 2026
Patch deadline
⚠ Exploited in the wild. CISA added CVE-2026-105133 to its Known Exploited Vulnerabilities catalog on Oct 14, 2026, with a federal patch deadline of Oct 17, 2026 — meaning attackers are actively using it. If you run the affected software, patch it immediately.

A vulnerability was detected in Ahsay AhsayCBS up to 10.3.2. This affects the function checkSysPwd of the file com/ahsay/obs/api/ApiStructsAction.java of the component API. Performing a manipulation of the argument random results in improper authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 10.3.4 is able to mitigate this issue. It is recommended to upgrade the affected component.

Details

AffectedAhsay · AhsayCBS
WeaknessCWE-287
CVSS base score5.5 (Medium)
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
PublishedOct 4, 2026
Added to CISA KEVOct 14, 2026
Federal patch deadlineOct 17, 2026
Known ransomware useNot documented
Check if your data is exposed →

Frequently asked questions

Is CVE-2026-105133 being actively exploited?

Yes — CISA lists CVE-2026-105133 in its Known Exploited Vulnerabilities (KEV) catalog, so it is confirmed exploited in the wild. Patch it as a priority.

What does CVE-2026-105133 affect?

CVE-2026-105133 affects Ahsay · AhsayCBS.

How do I fix CVE-2026-105133?

Apply the vendor’s patch for the affected software. The federal patch deadline was Oct 17, 2026. Then check whether your personal data was exposed in any related breach.

References

Official records: NVD · CISA KEV

← All actively-exploited vulnerabilities