CVE-2026-15154: A flaw was found in `guardrails-detectors`, a component of Red Hat OpenShift AI

Routine

MEDIUM 6.5WATCHLISTMITIGATE

CVE-2026-15154 is a medium-severity flaw (CVSS 6.5) affecting openshift ai. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-1333
Published	2026-07-08
Last modified	2026-10-25

Publisher (CNA): Red Hat, Inc. · Vendor: redhat

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-08 20:16 UTCPublished CVE record published
2026-10-25 17:10 UTCUpdated Record last modified

redhat openshift ai MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy openshift-ai || rpm -q openshift-ai || openshift-ai --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-15154?

openshift ai: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-15154 being exploited?

CVE-2026-15154 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-15154 affect?

CVE-2026-15154 affects openshift ai. Severity is medium (CVSS 6.5). 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 pub

How urgent is CVE-2026-15154?

Priority 38/100. On your watchlist

Software pages

Red Hat OpenShift vulnerabilities

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References

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