VulnSocial

CVE-2026-21790Disclosure

LOWCVSS 6.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-346

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-03-25: 1Technical Details · 2026-03-25: 103-25
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-21790 HCL Traveler Weak HTTP Header Validation Enabling Authentication Bypass https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-21790

    Post summary

    A new CVE (CVE-2026-21790) is identified in HCL Traveler, allowing authentication bypass due to weak HTTP header validation, with details posted on Vulmon.com but no proof‑of‑concept, exploit code, or evidence of active exploitation reported.

    0001049
    4.0K followersView on X

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