๐Ÿ” CVE Alert

CVE-2026-21790

MEDIUM 6.3

HCL Traveler is susceptible to a weak default HTTP header validation vulnerability

CVSS Score
6.3
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-346
Vendor hclsoftware
Product traveler
Published Mar 24, 2026
Last Updated Mar 24, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Affected Versions

HCLSoftware / Traveler
< 14.5.1.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
support.hcl-software.com: https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129139