Medium severity4.9NVD Advisory· Published Oct 3, 2026

CVE-2026-105120

Description

OpenAM before 16.1.3 contains an authorization bypass vulnerability in the sessions REST endpoint query operation that allows realm administrators to list sessions of every realm. Attackers holding delegated RealmAdmin privileges can supply a _queryFilter naming another realm to disclose usernames, universal IDs, and session handles across tenant boundaries.

Affected products

Openidentityplatform/Openamllm-fuzzy
Range: <16.1.3

Patches

Vulnerability mechanics

References

github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-x8cj-3hqv-cgwhnvd
www.vulncheck.com/advisories/openam-before-16.1.3-cross-realm-session-disclosure-via-sessions-rest-endpointnvd

News mentions

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cvss	0.319
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000