What’s Vulnerable › Vulnerabilities

CVE-2026-105114: OpenAM before 16.1.3 Reflected XSS via OAuth2 Authorization Error Page

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-03 · updated 2026-10-06
• Weakness: CWE-79

Description

OpenAM before 16.1.3 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted parameters rendered unencoded on the OAuth2 authorization error page. Attackers can lure victims to a crafted /oauth2/authorize link with repeated parameters to run JavaScript in the OpenAM origin, acting within existing sessions or redirecting to phishing pages.

Affected products

• OpenIdentityPlatform OpenAM: before 16.1.3 — fixed in 16.1.3

How to fix

Upgrade to a fixed version: OpenIdentityPlatform OpenAM 16.1.3. Check the vendor advisory for mitigations.

References

• https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-3m32-w9x3-vvq8
• https://www.vulncheck.com/advisories/openam-before-16.1.3-reflected-xss-via-oauth2-authorization-error-page

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