CVE-2026-21790
Received
Received - Intake
Weak HTTP Header Validation in HCL Traveler Enables Auth Bypass
Publication date: 2026-03-24
Last updated on: 2026-03-24
Assigner: HCL Software
Description
Description
HCL Traveler is susceptible to a weak default HTTP header validation vulnerability, which could allow an attacker to bypass additional authentication checks.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| hcl | traveler | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-346 | The product does not properly verify that the source of data or communication is valid. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
HCL Traveler has a vulnerability related to weak default HTTP header validation. This weakness could allow an attacker to bypass additional authentication checks that are normally in place.
How can this vulnerability impact me? :
This vulnerability could allow an attacker to bypass authentication mechanisms, potentially leading to unauthorized access. This may result in limited confidentiality, integrity, and availability impacts as indicated by the CVSS score.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
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