CVE-2026-21790

Published: Mar 24, 2026Modified: Jun 17, 2026

6.3

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploitability: 2.8 / Impact: 3.4

Source: psirt@hcl.com (Secondary)

Description

HCL Traveler is susceptible to a weak default HTTP header validation vulnerability, which could allow an attacker to bypass additional authentication checks.

Related CWEs

CWE-346

Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

References (1)

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129139

Source: psirt@hcl.com

Timeline

No history available yet.