CVE-2026-105117 OpenAM before 16.1.3 Email Content Injection via Users REST Self-Service Actions
Unauthenticated attackers can inject content into notification emails via self-service actions, enabling phishing or mail relay abuse.
- 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-2026-105117?
CVE-2026-105117 is a medium-severity 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 an email content injection vulnerability that allows unauthenticated attackers to control notification email wording via the forgotPassword and register actions on /json/{realm}/users. Attackers can supply subject and message fields to send phishing mail from the organisation's configured From address, or abuse register as a relay to arbitrary recipients.
Weakness: CWE-20
Which versions are affected by CVE-2026-105117?
How do I fix CVE-2026-105117?
No fix has been published for CVE-2026-105117 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-105117 being exploited?
There is no known exploitation of CVE-2026-105117 in the wild and no public exploit code.
Sources
Also known as GHSA-35wg-cp3w-fh5v, GHSA-mw38-8gr7-c4x2.