# CVE-2026-105121 — OpenIdentityPlatform OpenAM

> As of 2026-10-03, CVE-2026-105121 is a MEDIUM-severity vulnerability in OpenIdentityPlatform OpenAM, CVSS v3.1 4.9. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-105121 as of 2026-10-03; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-10-03

## What is CVE-2026-105121?

OpenAM before 16.1.3 contains an improper authorization vulnerability that allows delegated administrators to destroy sessions outside their realms because realm checks use the requester's realm. Authenticated accounts holding the iplanet-am-session-destroy-sessions attribute can supply a target session identifier or handle to forcibly log out users in any realm.

The record classifies CVE-2026-105121 under weakness class [CWE-285](https://intel.threadlinqs.com/cwe/CWE-285). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs high-privilege credentials, needs no user interaction, and has high impact on availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 2 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.9 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H`)
- **CVSS v4.0 base score:** 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 2.5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-10-03

## Is CVE-2026-105121 being exploited?

It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [OpenIdentityPlatform](https://intel.threadlinqs.com/vendors/openidentityplatform): OpenAM

## How to fix CVE-2026-105121

No vendor patch reference has been recorded for CVE-2026-105121 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-105121

No threat campaign in the Threadlinqs corpus currently references CVE-2026-105121, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-04.

**Vendor advisory and patch**

- [github.com — vendor advisory](https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-hmwh-9r8r-44gw)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/openam-before-16.1.3-improper-authorization-in-delegated-session-destroy-realm-scoping)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-105121
Full detection coverage and IOCs for threats exploiting CVE-2026-105121 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp