{"id":"CVE-2026-15154","title":"A flaw was found in `guardrails-detectors`, a component of Red Hat OpenShift AI","summary":"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 …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-1333"],"vendor":"redhat","product":"openshift_ai","affected":["openshift_ai"],"published":"2026-07-08","updated":"2026-09-08","sourceUpdated":"2026-09-08T23:17:21.743","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-15154","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:53261","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:53262","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:53263","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:60520","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:65126","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-15154","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2498188","label":"secalert@redhat.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-15154.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-15154"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15154"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-08T20:38:40.332330Z"},"epss":0.00465,"epssPercentile":0.39365,"ingestedAt":"2026-09-08T23:13:54.647Z","patched":["openshift_ai 2.25","openshift_ai 3.3","openshift_ai 3.4"],"slug":"CVE-2026-15154","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `openshift_ai`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:65126** · Red Hat · fixed in: Red Hat OpenShift AI 2.25 · released 2026-09-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:65126)\n- **RHSA-2026:53261** · Red Hat · fixed in: Red Hat OpenShift AI 2.25 · released 2026-08-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:53261)\n- **RHSA-2026:53263** · Red Hat · fixed in: Red Hat OpenShift AI 3.3 · released 2026-08-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:53263)\n- **RHSA-2026:60520** · Red Hat · fixed in: Red Hat OpenShift AI 3.4 · released 2026-08-27 · [advisory](https://access.redhat.com/errata/RHSA-2026:60520)\n- **RHSA-2026:53262** · Red Hat · fixed in: Red Hat OpenShift AI 3.4 · released 2026-08-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:53262)","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}