CVE-2026-105134
CRITICAL 10 KNOWN EXPLOITED PoC CATALOGUEDA flaw has been found in Ahsay AhsayCBS up to 10.3.2. 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 10.3.4 is able to resolve this issue. Upgrading the affected component is advised.
Confirmed exploited in the wild — in CISA KEV since 2026-10-14. Patch or mitigate now.
Exploitation likelihood
86.3%chance of exploitation in 30 days · 100th percentile
Impact if exploited
10CVSS 4.0 · CRITICAL
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
- ✓Requirements: No special attack requirements
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
Public PoC or exploit resources are catalogued below.
Listed by the named source; Vulnpedia has not tested these resources.
PoC data: JSON
Resource commands
curl -s https://vulnpedia.com/cve/CVE-2026-105134/poc.jsonMachine-readable PoC index for this CVE (for automation).Search for new PoCs
Search GitHub now — results may be empty or unverified.
Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Data snapshot:
Weakness (CWE)
- CWE-78: OS Command Injection
- CWE-77: Command Injection
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
References and research data (JSON)
Unverified PoC candidates
Catalogue matches for further research. These repositories have not been validated as working exploits.
1 candidate
- https://github.com/RayanAlmulhim/CVE-2026-105134-lab
Educational lab and clean-room reproduction demonstrating the OS command injection pattern in CVE-2026-105134. For defensive research only.
PoC-in-GitHub · CVE-2026-105134
PoC-in-GitHub · CVE-2026-105134 · Updated 2026-10-05T13:28:39Z
Additional exploitation reports
Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.
- VulnCheck KEV · 2026-10-09T00:00:00Z
Source guidance: 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.
Source ransomware assessment: Unknown
VulnCheck KEV · CVE-2026-105134 · Updated 2026-10-09T00:00:00Z - VulnCheck KEV · 2026-10-09T00:00:00ZVulnCheck KEV · CVE-2026-105134
- VulnCheck KEV · 2026-10-14T00:00:00ZVulnCheck KEV · CVE-2026-105134
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Ahsay | Cloud Backup Suite | < 10.3.4 |
All CVSS metrics
- CRITICAL 10 v4.0 · CNA Primary
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P - CRITICAL 10 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C - CRITICAL 10 v3.0 · CNA Primary
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C - CRITICAL 10 v2.0 · CNA Primary
AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:C - CRITICAL 9.3 v4.0 · NVD Secondary
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CRITICAL 10 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - HIGH 10 v2.0 · NVD Secondary
AV:N/AC:L/Au:N/C:C/I:C/A:C
References
Patches & mitigations
- https://www.ahsay.com/en/support/help-centre/release-notes/cbs/v10.3.4 CVE record · VulDB · Updated 2026-10-04T05:30:12.882Z
NVD · CVE-2026-105134 · Updated 2026-10-15T13:47:12.400
Advisories
- https://vuldb.com/cve/CVE-2026-105134 CVE record · VulDB · Updated 2026-10-04T05:30:12.882Z
NVD · CVE-2026-105134 · Updated 2026-10-15T13:47:12.400 - https://vuldb.com/submit/942743 CVE record · VulDB · Updated 2026-10-04T05:30:12.882Z
NVD · CVE-2026-105134 · Updated 2026-10-15T13:47:12.400 - https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-105134 CVE record · CISA-ADP · Updated 2026-10-15T03:57:03.605Z
NVD · CVE-2026-105134 · Updated 2026-10-15T13:47:12.400 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-92078 EUVD · EUVD-2026-92078
- https://vulncheck.com/kev VulnCheck KEV · CVE-2026-105134 · Updated 2026-10-09T00:00:00Z
Technical & other
- https://vuldb.com/vuln/413351 CVE record · VulDB · Updated 2026-10-04T05:30:12.882Z
NVD · CVE-2026-105134 · Updated 2026-10-15T13:47:12.400 - https://vuldb.com/vuln/413351/cti CVE record · VulDB · Updated 2026-10-04T05:30:12.882Z
NVD · CVE-2026-105134 · Updated 2026-10-15T13:47:12.400 - https://www.huntress.com/blog/ahsaycbs-flaws-exploit VulnCheck KEV · CVE-2026-105134 · Updated 2026-10-09T00:00:00Z
- https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json VulnCheck KEV · CVE-2026-105134 · Updated 2026-10-09T00:00:00Z
- https://vulncheck.com/xdb/23da8172f66e VulnCheck KEV · 23da8172f66e · Updated 2026-10-09T00:00:00Z
- https://github.com/horizon3ai/AhsayCBS-Auth-Bypass-RCE VulnCheck KEV · 23da8172f66e · Updated 2026-10-09T00:00:00Z