Open redirect in Optimal IdM OptimalCloud social endpoint
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-601.
Summary
Optimal IdM OptimalCloud 5.0 contains an open redirect in the /v5.0/social endpoint. Manipulating the state argument can redirect users to an arbitrary site. A remote attacker can trigger it, but user interaction is required. The vendor did not respond to early disclosure contact, and no fixed version is listed.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
A flaw has been found in Optimal IdM OptimalCloud 5.0. This vulnerability affects unknown code of the file /v5.0/social. Executing a manipulation of the argument state can lead to open redirect. The attack can be executed remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Optimal IdM | OptimalCloud | 5.0 | — | No fix listed | CNA |
- OptimalCloud VendorOptimal IdM Affected 5.0 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:optimal_idm:optimalcloud:*:*:*:*:*:*:*:* | — | — | Optimal IdM |
- cpe:2.3:a:optimal_idm:optimalcloud:*:*:*:*:*:*:*:* Versions — — ·Optimal IdM
Remediation
No fix is listed for OptimalCloud 5.0 at the time of publication. Contact Optimal IdM for an update, and restrict the affected social endpoint or validate redirect targets at the perimeter until a fix is available.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Timeline
- 2026-10-20 Threatist record created from CVE-2026-113384
- 2026-10-20 Alias added: GHSA-p2jj-rv42-8vfh
- 2026-10-23 CISA SSVC decision points changed
References
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More Optimal IdM vulnerabilities
- TI-2026-76810 Cross-site scripting in Optimal IdM OptimalCloud login page CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-113384 · CVE Program
- CVE-2026-113384 · NVD
- FIRST EPSS
- GHSA-p2jj-rv42-8vfh · GitHub Advisory Database · CC BY 4.0
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