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CVE CVE-2026-15154

CVE-2026-15154

Express

Severity: MEDIUM
CVSS: 6.5CVSS
Published: 2026-07-08
Last modified: 2026-07-08
CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-1333

Description

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.

References

https://access.redhat.com/security/cve/CVE-2026-15154
https://bugzilla.redhat.com/show_bug.cgi?id=2498188

Summary

Description

References