SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-113383

A vulnerability was detected in Optimal IdM OptimalCloud 5.0.

LOW 2.1EPSS 0.33%

Does this matter?

Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability was detected in Optimal IdM OptimalCloud 5.0. This affects an unknown part of the file /v5.0/webapps/pages/public/Login. Performing a manipulation of the argument tz results in cross site scripting. Remote exploitation of the attack is possible. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0
2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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/M
EPSS
0.33% probability · 26th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79, CWE-94
Source
cna@vuldb.com
EPSS trend
0%3%5%21 October 2026: 0.33%26 October 2026: 0.33%21 October 202626 October 2026

EPSS moved from 0.3% on 21 October 2026 to 0.3% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.