Is CVE-2026-105134 exploited in the wild?

Yes. CVE-2026-105134 is known to be exploited in the wild, first recorded on 14 October 2026. Treat it as urgent.

How severe is CVE-2026-105134?

Critical severity, with a CVSS score of 10, published 4 October 2026.

Is there a fix for CVE-2026-105134?

Yes: fixed in 10.3.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-105134 attacked?

It is attacked over the network.

Am I affected by CVE-2026-105134?

Check whether you run AhsayCBS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-105134: Ahsay AhsayCBS OS command injection in UpdateReceivers

CVE-2026-105134 · Severity: critical · CVSS 10 · Exploited in the wild · Published 2026-10-04

Ahsay AhsayCBS is a cloud backup and recovery solution used by organizations to protect their data. An attacker can exploit a flaw in the UpdateReceivers API endpoint to inject arbitrary operating system commands, potentially gaining full control of the backup server and compromising all protected data.

Quick answers

Is CVE-2026-105134 exploited in the wild?: Yes. CVE-2026-105134 is known to be exploited in the wild, first recorded on 14 October 2026. Treat it as urgent.
How severe is CVE-2026-105134?: Critical severity, with a CVSS score of 10, published 4 October 2026.
Which products and versions are affected?: AhsayCBS up to 10.3.2.
Is there a fix for CVE-2026-105134?: Yes: fixed in 10.3.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-105134 attacked?: It is attacked over the network.
Am I affected by CVE-2026-105134?: Check whether you run AhsayCBS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: 10.3.4

Technical details

The Replication Receiver component in AhsayCBS contains an OS command injection vulnerability in the /rps/api/json/UpdateReceivers.do endpoint, where the "random" parameter is not properly sanitized. An unauthenticated remote attacker can craft a malicious request to execute arbitrary commands with the privileges of the backup server process, leading to complete system compromise.

Affected products

Ahsay AhsayCBS up to 10.3.2

Timeline

2026-10-04: disclosed
2026-10-04: advisory

References

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