CVE-2026-105117

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

State: Published
Severity: 5.3 Medium
Published: Oct 3, 2026
Updated: Oct 5, 2026
Reserved: Oct 3, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N	VulnCheck
3.1	6.1 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	VulnCheck

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
OpenAMOpenIdentityPlatform	before 16.1.3Affected 16.1.3Not affected
OpenAMOpenIdentityPlatform	before 16.1.3Affected 16.1.3Not affected

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 Actionsthird-party-advisory

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