What is CVE-2026-123546?

CVE-2026-123546 is a medium-severity vulnerability in Openidentityplatform Openam, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-11-08.

How severe is CVE-2026-123546?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Openidentityplatform Openam

CVE-2026-123546

OpenAM before 16.1.4 contains an open redirect and cross-site scripting vulnerability that allows remote attackers to control post-login and logout destinations via the goto and gotoOnFail parameters. Attackers can craft OpenAM login or logout links that redirect victims to phishing sites or run script in the XUI to steal session cookies.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-11-08.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.1th percentile), scored 2026-11-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Openidentityplatform Openam

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-2gwf-vxp5-f9v2 (vendor-advisory)
www.vulncheck.com/advisories/openam-before-16.1.4-open-redirect-and-xss-via-got… (third-party-advisory)

Frequently asked questions

What is CVE-2026-123546?: CVE-2026-123546 is a medium-severity vulnerability in Openidentityplatform Openam, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-11-08.
How severe is CVE-2026-123546?: Medium severity. CVSS v3 base score is 6.1 out of 10.