What is CVE-2026-33022?

CVE-2026-33022 is a medium-severity vulnerability in Tektoncd Pipeline, classified under Improper Validation of Array Index. CVSS score: 6.5/10. Published 2026-03-20.

How severe is CVE-2026-33022?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Tektoncd Pipeline

CVE-2026-33022

Tekton Pipelines project provides k8s-style resources for declaring CI/CD-style pipelines. Versions 0.60.0 through 1.0.0, 1.1.0 through 1.3.2, 1.4.0 through 1.6.0, 1.7.0 through 1.9.0, 1.10.0, and 1.10.1 have a denial-of-service vulnerabil…

EPSS: 0.000 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Tektoncd Pipeline — versions >= 0.60.0, < 1.0.1, >= 1.1.0, < 1.3.3, >= 1.4.0, < 1.6.1

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

https://github.com/tektoncd/pipeline/security/advisories/GHSA-cv4x-93xx-wgfj (x_refsource_CONFIRM)
https://github.com/tektoncd/pipeline/commit/5eead3f859b9f938e86039e4d29185092c1d4ee6 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33022?: CVE-2026-33022 is a medium-severity vulnerability in Tektoncd Pipeline, classified under Improper Validation of Array Index. CVSS score: 6.5/10. Published 2026-03-20.
How severe is CVE-2026-33022?: Medium severity. CVSS v3 base score is 6.5 out of 10.