- Medium 5.5
- Known exploited (CISA KEV)
CVE-2026-105133
A 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.
Scores
The facts
- Published
- 4 October 2026
- Last changed
- 15 October 2026
- NVD status
- Analyzed
- Severity
- Medium, CVSS 5.5 out of 10 (version 4.0)
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… - Weakness
- Affects
- ahsay cloud backup suite
- Known exploited
- Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 14 October 2026.
- EPSS
- 0.9% chance of exploitation activity in the next 30 days (percentile 58).
Is there a Securelyn advisory?
Not yet. Securelyn writes plain-English advisories for the flaws that matter most to businesses. Subscribe to the digest to hear about them.