CVE-2026-105114 OpenAM before 16.1.3 Reflected XSS via OAuth2 Authorization Error Page
Unauthenticated attackers can inject scripts via crafted OAuth2 parameters, enabling session hijacking or phishing in OpenAM deployments.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-105114?
CVE-2026-105114 is a medium-severity cross-site scripting vulnerability in OpenIdentityPlatform OpenAM, published on 3 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-105114?
How do I fix CVE-2026-105114?
No fix has been published for CVE-2026-105114 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-105114 being exploited?
There is no known exploitation of CVE-2026-105114 in the wild and no public exploit code.
Sources
Also known as GHSA-3m32-w9x3-vvq8, GHSA-875h-jw66-233j.