What is RHSA-2026:6166?

RHSA-2026:6166 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: Red Hat OpenShift Pipelines Release 1.21.1

Which CVE IDs does RHSA-2026:6166 cover?

RHSA-2026:6166 covers the following CVE IDs: CVE-2026-33022, CVE-2026-33211, CVE-2025-66506. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:6166?

RHSA-2026:6166 has a CVSS v3 base score of 9.6, published by Red Hat Product Security.

RHSA-2026:6166HighCVSS 9.6

Red Hat Security Advisory: Red Hat OpenShift Pipelines Release 1.21.1

Vendor

Red Hat Product Security

Published

March 30, 2026

Last Modified

June 3, 2026

🔗 CVE IDs covered (3)

CVE-2026-33022 · pendingCVE-2026-33211 · pendingCVE-2025-66506 →

📋 Description

CVE-2025-66506 — github.com/sigstore/fulcio: Fulcio: Denial of Service via crafted OpenID Connect (OIDC) token CVE-2026-33022 — github.com/tektoncd/pipeline: Tekton Pipelines: Denial of Service via long resolver names CVE-2026-33211 — Tekton Pipelines: github.com/tektoncd/pipeline: Tekton Pipelines: Information disclosure via path traversal in git resolver

🔗 References (7)

selfhttps://access.redhat.com/errata/RHSA-2026:6166
externalhttps://access.redhat.com/security/cve/CVE-2025-66506
externalhttps://access.redhat.com/security/cve/CVE-2026-33022
externalhttps://access.redhat.com/security/cve/CVE-2026-33211
externalhttps://access.redhat.com/security/updates/classification/
externalhttps://docs.redhat.com/en/documentation/red_hat_openshift_pipelines
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_6166.json