CVE-2026-45049
OpenAM Session Hijacking via CDSSO
Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the `Cross-Domain Single Sign-On` (`CDSSO`) servlet allows a logged-in user's raw OpenAM session token to be POSTed to an attacker-controlled URL. An attacker who induces an authenticated victim to visit a crafted URL can receive the session credential and potentially hijack the session. Deployments must have `CDSSO` enabled, as is common in multi-domain deployments, and exploitation is additionally gated on a non-default configuration being absent. This issue is fixed in version 16.1.1.
Fixes and workarounds
Fix
org.openidentityplatform.openam:openam-federation (Maven): OSV reports a fixed version 16.1.1. Check the advisory for supported release branches.
Source: OSV GHSA-r9pv-5rpp-vm8gAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| OpenAM OpenIdentityPlatform |
< 16.1.1 (affected) | CNA: GitHub_M |
org.openidentityplatform.openam:openam-federationorg.openidentityplatform.openam:openam-federation
Maven |
14.5.2 (affected, Maven) 14.5.3 (affected, Maven) 14.5.4 (affected, Maven) 14.6.1 (affected, Maven) 14.6.2 (affected, Maven) 14.6.3 (affected, Maven) 14.6.4 (affected, Maven) 14.6.5 (affected, Maven) 14.6.6 (affected, Maven) 14.7.0 (affected, Maven) 14.7.1 (affected, Maven) 14.7.2 (affected, Maven) 14.7.3 (affected, Maven) 14.7.4 (affected, Maven) 14.8.1 (affected, Maven) 14.8.2 (affected, Maven) 14.8.3 (affected, Maven) 14.8.4 (affected, Maven) 15.0.0 (affected, Maven) 15.0.1 (affected, Maven) 15.0.2 (affected, Maven) 15.0.3 (affected, Maven) 15.0.4 (affected, Maven) 15.1.0 (affected, Maven) 15.1.1 (affected, Maven) 15.1.2 (affected, Maven) 15.1.3 (affected, Maven) 15.1.4 (affected, Maven) 15.1.5 (affected, Maven) 15.1.6 (affected, Maven) 15.2.0 (affected, Maven) 15.2.1 (affected, Maven) 15.2.2 (affected, Maven) 16.0.1 (affected, Maven) 16.0.2 (affected, Maven) 16.0.3 (affected, Maven) 16.0.4 (affected, Maven) 16.0.5 (affected, Maven) 16.0.6 (affected, Maven) 16.1.0 (affected, Maven) Ecosystem version events: introduced 0; fixed 16.1.1 Source events (ECOSYSTEM)Other versions: unaffected |
OSV GHSA-r9pv-5rpp-vm8g |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 8.3 high |
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H | CNA: GitHub_M |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-r9pv-5rpp-vm8gCNA: GitHub_M · x_refsource_CONFIRM
- https://github.com/OpenIdentityPlatform/OpenAM/commit/bda647f8540d8fb28aaaed716914692678c5a0a7CNA: GitHub_M · x_refsource_MISC
- https://github.com/OpenIdentityPlatform/OpenAM/releases/tag/16.1.1CNA: GitHub_M · x_refsource_MISC
- https://github.com/advisories/GHSA-r9pv-5rpp-vm8gOSV / GitHub Security Advisories · advisory
- https://osv.dev/vulnerability/GHSA-r9pv-5rpp-vm8gOSV / GitHub Security Advisories · osv
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