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

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Mar 24, 2026 · NIST NVD

   Detected

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

2. Jun 17, 2026 · NIST NVD

   Updated

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

Sources

• CVE.orgVulnerability recordCVE-2026-21790

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-21790

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

  nvd.nist.gov

References

• Reference · support.hcl-software.com