Exploited vulnerability · CISA KEV

Is CVE-2026-105133 exploited? Yes: in CISA KEV since 14 Oct 2026

Gociux · AhsayCBS · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2026-105133, Ahsay AhsayCBS Improper Authentication Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 14 Oct 2026, 10 days after it was published. It affects AhsayCBS. If you run it, CISA's required action is: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

What it is

Ahsay AhsayCBS contains an improper authentication vulnerability that could allow a remote attacker to bypass authentication via manipulation of the random parameter in the API component’s checkSysPwd function. This vulnerability can be chained with CVE-2026-105134.

What to do

1. Check whether you run it. Look for AhsayCBS in your asset inventory, including appliances and cloud images. Stack check lists every exploited Ahsay CVE at once.
2. Apply the fix. Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 4 Oct 2026.
4. Get told next time. Email alerts when CISA adds a CVE for Ahsay.

Other exploited CVEs in AhsayCBS

• CVE-2026-105134: Ahsay AhsayCBS Command Injection Vulnerability (14 Oct 2026)

References

• www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update
• nvd.nist.gov/vuln/detail/CVE-2026-105133

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in October 2026 · Ahsay scorecard · act-now radar.