Vulnerability in Openidentityplatform Openam
CVE-2026-123553
OpenAM before 16.1.4 ships built-in identities in the Top Level Realm (demo, anonymous, wsc, wsp, SecurityTokenService and agentAuth) with passwords that are identical on every installation, publicly known, and able to authenticate. Unauthenticated remote attackers can log in as these identities to obtain authenticated sessions, and the agent identities can read the configuration of other agent profiles.
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (17.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.0% 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
Weakness classification (CWE)
References
- github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-hvfc-4v4r-8p9w (vendor-advisory)
- www.vulncheck.com/advisories/openam-before-16.1.4-default-credentials-in-built-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-123553?
- CVE-2026-123553 is a medium-severity vulnerability in Openidentityplatform Openam, classified under CWE-1392. CVSS score: 6.5/10. Published 2026-11-08.
- How severe is CVE-2026-123553?
- Medium severity. CVSS v3 base score is 6.5 out of 10.