CVE-2025-55278: Hcl Software Devops Loop

High severity, CVSS 8.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper authentication in the API authentication middleware of HCL DevOps Loop allows authentication tokens to be accepted without proper validation of their expiration and cryptographic signature. As a result, an attacker could potentially use expired or tampered tokens to gain unauthorized access to sensitive resources and perform actions with elevated privileges.

Affected products

Published 2025-11-05. Last modified 2026-06-17.