CVE-2026-21790mediumCWE-346

CVE-2026-21790: medium-severity vulnerability in HCLSoftware Traveler

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

Published

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.3epss 0.2%
HCL Traveler is susceptible to a weak default HTTP header validation vulnerability, which could allow an attacker to bypass additional authentication checks.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Affected products
HCLSoftware · Traveler