# CVE-2026-105134: AhsayCBS - RCE

> Live exploitation tracking for CVE-2026-105134 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2026-105134

## Key facts

- **Exploitation phase:** Insufficient Data. Not enough CrowdSec telemetry data is available to confidently assess how this vulnerability is exploited in the wild.
- **CVSS score:** 10.0
- **Public exploit available:** Yes
- **Affected products:** AhsayCBS
- **Weaknesses:** CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')); CWE-77 (Improper Neutralization of Special Elements used in a Command ('Command Injection'))
- **Tags:** enterprise_software

## Description

A flaw has been found in Ahsay AhsayCBS up to 9.15.2.69/10.3.4.44. This vulnerability affects unknown code of the file /rps/api/json/UpdateReceivers.do of the component Replication Receiver. Executing a manipulation of the argument random can lead to os command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. Upgrading to version 9.15.2.70 and 10.3.4.45 is able to resolve this issue. Upgrading the affected component is advised. The initial patch did not fix the security vulnerability properly. An update of the CVE entry to reflect this became necessary.

## CrowdSec analysis

[CVE-2026-105134](https://euvd.enisa.europa.eu/vulnerability/CVE-2026-105134) is a critical remote OS command injection vulnerability in AhsayCBS’s Replication Receiver, exploitable by manipulating the `random` argument at `/rps/api/json/UpdateReceivers.do`. The flaw can allow unauthenticated attackers to execute commands and compromise affected systems; exploitation has been publicly reported. Upgrade to AhsayCBS 9.15.2.70 or 10.3.4.45 to address the vulnerability.

CrowdSec has been tracking this vulnerability and its exploits since 27th of October 2026.

CrowdSec has not observed any significant exploitation activity targeting CVE-2026-105134 across its network. As a result, no community-driven trend analysis is available for this vulnerability at this time.

Attackers target `/rps/api/json/UpdateReceivers.do` to create a replication receiver, then exploit `/rps/obs7/rpsfile/upload` with traversal paths to place a JSP webshell under `/rps`. They may then access `/rps/<shell>.jsp` with command parameters to execute commands on the server.

## Timeline

- 2026-10-04: CVE Published. CVE-2026-105134 is published to NVD.
- 2026-10-14: CISA KEV. CVE-2026-105134 is added to the Known Exploited Vulnerabilities catalog by CISA.
- 2026-10-17: CISA Remediation Deadline. Expiration of the CISA remediation deadline as described in [BOD 22-01](https://www.cisa.gov/news-events/directives/bod-22-01-reducing-significant-risk-known-exploited-vulnerabilities).
- 2026-10-27: Rule Released. CrowdSec releases a rule to detect CVE-2026-105134 exploitation attempts against the CrowdSec Network.
- 2026-10-29: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2026-105134 for the first time.

## References

- https://www.huntress.com/blog/ahsaycbs-flaws-exploit
- https://www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-105134.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2026-105134) follows observed exploitation activity for CVE-2026-105134. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.