SB2026021735 - Red Hat OpenShift Pipelines update for Fulcio



SB2026021735 - Red Hat OpenShift Pipelines update for Fulcio

Published: February 17, 2026

Security Bulletin ID SB2026021735
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2025-66506)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the identity.extractIssuerURL() function when parsing untrusted arguments. A remote attacker can pass a specially crafted request with a malicious OIDC identity token to trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.