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CVE-2026-6807

NSA GRASSMARLIN Improper Restriction of XML External Entity Reference

Published
Last modified
published
Not listed in CISA KEV
1 proof of concept on GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

A vulnerability in GRASSMARLIN v3.2.1 allows crafted session data to trigger improper handling of XML input, which may result in unintended exposure of sensitive information. The flaw stems from insufficient hardening of the XML parsing process.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • NSA GRASSMARLIN

    All versions

References 3

cisa.gov

GitHub · cisagov/CSAF

GitHub · SecTestAnnaQuinn/Grassmarlin-CVE-2026-6807-XXE-POC