Red Hat Security Advisory: Red Hat OpenShift Pipelines Release 1.15.4
The 1.15.4 release of Red Hat OpenShift Pipelines Operator.
AI Analysis
Technical Summary
A denial of service vulnerability (CVE-2025-66506) exists in Fulcio, a certificate authority component used by Red Hat OpenShift Pipelines. The vulnerability arises from excessive memory allocation triggered by processing a crafted OpenID Connect (OIDC) token containing many period characters. This asymmetric resource consumption (CWE-405) can lead to service unavailability due to resource exhaustion. Red Hat has fixed this issue in OpenShift Pipelines Operator version 1.15.4, as documented in advisory RHSA-2026:3723 and tracked under Bugzilla 2419056 and GitHub issue SRVKP-10639.
Potential Impact
The vulnerability can cause denial of service through resource exhaustion (memory and CPU) when a malicious OIDC token is processed. This impacts availability of Red Hat OpenShift Pipelines components that rely on Fulcio for code signing certificate issuance. There is no impact on confidentiality or integrity. No known exploits in the wild have been reported.
Mitigation Recommendations
Red Hat has released OpenShift Pipelines Operator version 1.15.4 which includes a fix for this vulnerability. Users should upgrade to version 1.15.4 or later to remediate the issue. No additional mitigations are specified or required beyond applying the official update.
Red Hat Security Advisory: Red Hat OpenShift Pipelines Release 1.15.4
Description
The 1.15.4 release of Red Hat OpenShift Pipelines Operator.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
A denial of service vulnerability (CVE-2025-66506) exists in Fulcio, a certificate authority component used by Red Hat OpenShift Pipelines. The vulnerability arises from excessive memory allocation triggered by processing a crafted OpenID Connect (OIDC) token containing many period characters. This asymmetric resource consumption (CWE-405) can lead to service unavailability due to resource exhaustion. Red Hat has fixed this issue in OpenShift Pipelines Operator version 1.15.4, as documented in advisory RHSA-2026:3723 and tracked under Bugzilla 2419056 and GitHub issue SRVKP-10639.
Potential Impact
The vulnerability can cause denial of service through resource exhaustion (memory and CPU) when a malicious OIDC token is processed. This impacts availability of Red Hat OpenShift Pipelines components that rely on Fulcio for code signing certificate issuance. There is no impact on confidentiality or integrity. No known exploits in the wild have been reported.
Mitigation Recommendations
Red Hat has released OpenShift Pipelines Operator version 1.15.4 which includes a fix for this vulnerability. Users should upgrade to version 1.15.4 or later to remediate the issue. No additional mitigations are specified or required beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:1049
- Cve Count
- 1
- State
- PUBLISHED
Threat ID: 6a16096fe29bf47b506375f9
Added to database: 05/26/2026, 20:58:23 UTC
Last enriched: 08/14/2026, 21:53:18 UTC
Last updated: 09/10/2026, 22:05:25 UTC
Views: 80
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.