VULNERABILITY INTELLIGENCE
CVE-2026-21790
CVSS score6.3 MEDIUM
EPSS probability0.16%
CISA KEVNot currently listed
Published2026-03-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Description
HCL Traveler is susceptible to a weak default HTTP header validation vulnerability, which could allow an attacker to bypass additional authentication checks.
Weakness classification
- CWE-346: Origin Validation Error