XSS in Openidentityplatform Openam
CVE-2026-105116
OpenAM before 16.1.3 contains a latent cross-site scripting defect that places the SAML message, relay state and target URL unencoded into the load-balancer cookie bounce auto-submit page. If reachable with cookieHashRedirectEnabled set, crafted requests could execute script in the OpenAM origin, though an unrelated HTTP 500 failure prevents exploitation in released versions.
Vulnerability class: XSS (Cross-Site Scripting)
Published .
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
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-v796-mg6j-9c5m (vendor-advisory)
- www.vulncheck.com/advisories/openam-before-16.1.3-latent-xss-in-saml-load-balan… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-105116?
- CVE-2026-105116 is a medium-severity vulnerability in Openidentityplatform Openam, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-10-03.
- How severe is CVE-2026-105116?
- Medium severity. CVSS v3 base score is 6.1 out of 10.