Vulnerability in Red Hat Openshift Ai 2.25
CVE-2026-15154
A flaw was found in `guardrails-detectors`, a component of Red Hat OpenShift AI. This vulnerability, known as Regular Expression Denial of Service (ReDoS), allows a remote attacker to provide specially crafted regular expressions to the public detection API. This can cause catastrophic backtracking, leading to a worker process consuming 100% CPU indefinitely and resulting in a denial of service for the entire guardrails-mediated LLM pipeline.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
EPSS: 0.003 (23.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Red Hat Openshift Ai 2.25 — versions 1784230964
- Red Hat Openshift Ai 3.3 — versions 1785137880
- Red Hat Openshift Ai (Rhoai)
- Redhat Openshift_ai
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2026-15154?
- CVE-2026-15154 is a medium-severity vulnerability in Red Hat Openshift Ai 2.25, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2026-07-08.
- How severe is CVE-2026-15154?
- Medium severity. CVSS v3 base score is 6.5 out of 10.