CVE-2026-21790

6.3 MEDIUM

Published: March 24, 2026 Modified: March 25, 2026

Description

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: psirt@hcl.com

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.3 / 10.0

EPSS (Exploit Probability)

0.0%

0th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-346

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