CVE-2026-105134

AhsayCBS command injection, confirmed exploited in the wild.

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.

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82%chance of exploitation in the next 30 days (EPSS), 99th percentile

14 Octadded to CISA's Known Exploited Vulnerabilities list, 2026

17 Octfederal remediation deadline, already passed

Passedpast the deadline: patch now

CISA's name for it	Ahsay AhsayCBS Command Injection Vulnerability
Vendor and product	Ahsay · AhsayCBS
Type	command injection · CWE-77, CWE-78
Exploited	Confirmed by CISA listed 14 October 2026
Likelihood	one of the most likely to be exploited of every vulnerability tracked
Deadline	17 October 2026 · already passed
Used in ransomware	Not reported
Advisories	www.ahsay.com ↗ · www.cisa.gov ↗ · www.cisa.gov ↗ · nvd.nist.gov ↗

What to do

Three steps, in this order

Step 1

Apply the vendor fix; command injection on an exposed device is used within days of disclosure.

Step 2

Restrict the management interface to a trusted network until the fix is in.

Step 3

Review the device's logs and configuration for changes you did not make.

CISA's 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. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CISA's 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. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

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Questions

CVE-2026-105134 in short

Is CVE-2026-105134 being exploited?

Yes. CISA added CVE-2026-105134 to its Known Exploited Vulnerabilities catalogue on 14 October 2026, which it does only on evidence of exploitation in the wild.

What is the CISA deadline for CVE-2026-105134?

US federal agencies must remediate it by 17 October 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.

How likely is CVE-2026-105134 to be exploited in the next 30 days?

FIRST's Exploit Prediction Scoring System gives it 82%, the 99th percentile of every CVE it scores.

How do I fix CVE-2026-105134?

Apply the vendor fix; command injection on an exposed device is used within days of disclosure. Restrict the management interface to a trusted network until the fix is in. Review the device's logs and configuration for changes you did not make.

Same vendor

Other Ahsay vulnerabilities being exploited

CVE	Product	Type	Listed
CVE-2026-105133	AhsayCBS	authentication bypass	14 October 2026

Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.