CVE-2026-105133
Medium5.5CISA KEV — exploited in the wildA vulnerability was detected in Ahsay AhsayCBS up to 10.3.2. This affects the function checkSysPwd of the file com/ahsay/obs/api/ApiStructsAction.java of the component API. Performing a manipulation of the argument random results in improper authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 10.3.4 is able to mitigate this issue. It is recommended to upgrade the affected component.
- CVSS
- 5.5v4.0
- EPSS (exploit probability)
- 0.9%58th pct
- CISA KEV
- Listed
EPSS trendFIRST daily scores, last 90 days
Daily values
| Score date | EPSS | Percentile |
|---|---|---|
| 2026-10-20 | 0.9% | 57.7% |
| 2026-10-19 | 0.9% | 57.6% |
| 2026-10-18 | 0.9% | 57.6% |
| 2026-10-16 | 0.9% | 57.5% |
| 2026-10-15 | 0.7% | 50.8% |
| 2026-10-14 | 0.4% | 30.7% |
| 2026-10-13 | 0.4% | 30.5% |
| 2026-10-12 | 0.4% | 30.4% |
| 2026-10-11 | 0.4% | 30.4% |
| 2026-10-10 | 0.4% | 30.3% |
| 2026-10-09 | 0.4% | 30.3% |
| 2026-10-08 | 0.4% | 30.3% |
| 2026-10-07 | 0.4% | 30.2% |
| 2026-10-06 | 0.4% | 30.1% |
| 2026-10-05 | 0.4% | 30.0% |
| 2026-10-04 | 0.4% | 30.0% |
CISA KEV entrycatalogue 2026.10.20
- Date added
- 2026-10-14
- Federal due date
- 2026-10-17
- Known ransomware use
- Unknown
Required action
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.
Verbatim from the CISA KEV catalogue (CISA KEV, fetched 2026-10-21 07:34 UTC). The due date applies to US federal agencies under BOD 22-01.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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
Affected products
- ahsay cloud backup suite