Vulnerability · Published Oct 3, 2026 · Assigned by VulnCheck

CVE-2026-105117OpenAM before 16.1.3 Email Content Injection via Users REST Self-Service Actions

Medium 6.1

In plain English

A medium-severity improper input validation in OpenAM from OpenIdentityPlatform. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.2%top 94.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
OpenIdentityPlatform	OpenAM	0 – before 16.1.3
OpenIdentityPlatform	OpenAM	0 – before 16.1.3

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

GitHub Security Advisory (GHSA-mw38-8gr7-c4x2) vendor-advisory
VulnCheck Advisory: OpenAM before 16.1.3 Email Content Injection via Users REST Self-Service Actions third-party-advisory