CVE-2026-105134
Ahsay AhsayCBS Command Injection Vulnerability
Ahsay AhsayCBS contains a command injection vulnerability that could allow a remote attacker to execute operating system commands via manipulation of the random parameter in the Replication Receiver component’s /rps/api/json/UpdateReceivers.do endpoint. This vulnerability can be chained with CVE-2026-105133.
CISA due Oct 17, 2026
- Ahsay AhsayCBS
- Critical
- CVSS 10.0
- EPSS 38.31%
- Fixed version listed
What to do
Fixed version listed
- Required action
- 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.
- CISA deadline for US federal agencies
- Oct 17, 2026
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Ahsay AhsayCBS | 10.3.0; 10.3.1; 10.3.2 | 10.3.4 |
Advisories and fixes
- Patch www.ahsay.com
Scores and signals
- Exploitation
- Exploited in the wild
- Severity
- Critical, CVSS 10.0 (v4.0, scored by VulDB)
- EPSS
- 38.31% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 23, 2026)
- CISA's SSVC decision points
- Exploitation: active. Automatable: yes. Technical impact: total. As of Oct 14, 2026.
- Weakness
- CWE-78: OS Command Injection; CWE-77: Command Injection
- Vendor
- Ahsay, AhsayCBS
Timeline
- Added to CISA's Known Exploited Vulnerabilities catalog: exploited in the wild. US federal agencies must remediate by 2026-10-17.