CVE-2026-105120

OpenAM before 16.1.3 Cross-Realm Session Disclosure via Sessions REST Endpoint

MEDIUM
4.9
CVSS Score
Published: October 3, 2026 at 12:14 PM UTC
Updated: October 6, 2026 at 03:18 PM UTC
1 product affected across 1 vendorOpenAM

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Severity
MEDIUM4.9
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 16.1.3
Vendor states this is fixed in 16.1.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.9MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-200

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