Open Redirect Vulnerability in Optimal IdM OptimalCloud 5.0
CVE-2026-113384

5.3MEDIUM

Key Information:

Vendor

Optimal Idm

Status
Optimalcloud
Vendor
CVE Published:
20 October 2026

What is CVE-2026-113384?

A vulnerability has been identified in Optimal IdM's OptimalCloud version 5.0, occurring within the code related to the /v5.0/social file. The flaw allows an attacker to manipulate the 'state' argument to execute an open redirect, creating the potential for malicious users to redirect users to unintended external sites. This vulnerability is particularly concerning as it can be exploited remotely, facilitating various malicious activities without any prior authentication. Despite early notification of the issue, the vendor has not provided a response.

Affected Version(s)

OptimalCloud 5.0

References

https://vuldb.com/vuln/422657
vdb-entrytechnical-description
https://vuldb.com/vuln/422657/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-113384
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alexandre Rodrigo (VulDB User)
VulDB CNA Team
.