CVE-2026-105134: Ahsay AhsayCBS Command Injection Vulnerability
Ahsay · AhsayCBS
Listed by CISA as exploited in the wild since 14 Oct 2026. Below: exploitation status, EPSS and every published CVSS, each with its source, then affected versions and references.
Build snapshot collected · KEV catalog 2026.10.21 · EPSS of 21 Oct 2026 · not a live feed: collected once, at build time
Description
as written by CISA (KEV catalog)
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.
Required action
CISA KEV
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.
Affected products and versions
CVE record · VulDB
Ahsay · AhsayCBS
- affected: 10.3.0
- affected: 10.3.1
- affected: 10.3.2
- unaffected: 10.3.4
Status words (affected, unaffected, unknown) and version bounds are copied from the record. An upper bound such as “before 7.1.0” usually marks the first fixed version; confirm in the vendor advisory before planning an upgrade.
References
CISA KEV notes and CVE record
- https://www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
- https://nvd.nist.gov/vuln/detail/CVE-2026-105134
- https://vuldb.com/vuln/413351
- https://vuldb.com/vuln/413351/cti
- https://vuldb.com/cve/CVE-2026-105134
- https://vuldb.com/submit/942743
- https://www.ahsay.com/en/support/help-centre/release-notes/cbs/v10.3.4
EPSS over the last 30 days
See also: the full KEV catalog
Related entries
Other Ahsay entries in KEV
Added in the same week (see the week)
- CVE-2026-102764BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability
- CVE-2025-61624Fortinet Multiple Products Path Traversal Vulnerability
- CVE-2026-21589Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability
- CVE-2026-76519Cisco Secure Email Gateway Relative Path Traversal Vulnerability
- CVE-2026-0322Palo Alto Networks PAN-OS Code Injection Vulnerability
- CVE-2026-104935Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability
Questions about CVE-2026-105134
Is CVE-2026-105134 being exploited?
Yes, according to CISA. CVE-2026-105134 was added to the Known Exploited Vulnerabilities catalog on 14 Oct 2026, which CISA does only with reliable evidence of exploitation in the wild. The catalog field for ransomware campaign use says "Unknown".
What is the deadline to remediate CVE-2026-105134?
CISA set 17 Oct 2026 as the due date for US Federal Civilian Executive Branch agencies. The date is binding only for those agencies; other organisations can read it as a measure of urgency.
What is the EPSS score of CVE-2026-105134?
4.78%, in the 92th percentile, in the FIRST EPSS model of 21 Oct 2026. It estimates the probability of exploitation activity in the following 30 days. For a CVE already in KEV the score is secondary: exploitation has been observed.
How severe is CVE-2026-105134?
VulDB rates it 10.0 CRITICAL (CVSS 4.0); VulDB rates it 10.0 CRITICAL (CVSS 3.1); VulDB rates it 10.0 CRITICAL (CVSS 3.0); VulDB rates it 10.0 (CVSS 2.0). These are the published assessments as of 22 Oct 2026; this site does not rescore.
Which product does CVE-2026-105134 affect?
Ahsay AhsayCBS, as named in the CISA catalog. The affected versions listed in the CVE record are on this page; the vendor advisory in the references is the authority on fixed versions.
Related sections
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