# CVE-2026-105118 — OpenIdentityPlatform OpenAM

> As of 2026-10-03, CVE-2026-105118 is a MEDIUM-severity vulnerability in OpenIdentityPlatform OpenAM, CVSS v3.1 4.7. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-105118 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-2026-105118?

OpenAM before 16.1.3 contains an open redirect vulnerability that allows unauthenticated attackers to redirect users by supplying an unverified id_token_hint to the /oauth2/connect/endSession endpoint. Attackers can name any realm client in a forged hint to redirect victims to any registered post-logout URI, enabling phishing that borrows the OpenAM host's trust.

The record classifies CVE-2026-105118 under weakness class [CWE-347](https://intel.threadlinqs.com/cwe/CWE-347). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first. 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:** 4.7 — MEDIUM (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **CVSS v4.0 base score:** 2.3 (`CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 2.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-10-03

## Is CVE-2026-105118 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-2026-105118

No vendor patch reference has been recorded for CVE-2026-105118 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-2026-105118

No threat campaign in the Threadlinqs corpus currently references CVE-2026-105118, 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, NVD, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-04. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com — vendor advisory](https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-6f8c-crwq-jqm3)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/openam-before-16.1.3-open-redirect-via-unverified-id-token-hint-in-endsession)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-105118
Full detection coverage and IOCs for threats exploiting CVE-2026-105118 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp