Risk Letters

Exploited vulnerability

CVE-2026-105134

TLP:CLEAR

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.

Facts

  • Vendor: Ahsay
  • Product: AhsayCBS
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 81.8 %
  • On CISA's Known Exploited Vulnerabilities list since: 14 October 2026
  • First known exploitation: 9 October 2026
  • CISA's deadline for US federal agencies: 17 October 2026
  • Weakness: CWE-77
  • First seen by Risk Letters: 4 October 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD