CVE-2026-6807 PUBLISHED

NSA GRASSMARLIN Improper Restriction of XML External Entity Reference

Assigner: icscert
Reserved: 21.04.2026 Published: 28.04.2026 Updated: 28.04.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 5.5

Product Status

Vendor NSA
Product GRASSMARLIN
Versions Default: unaffected
  • Version All versions is affected

Workarounds

NSA has indicated that the GRASSMARLIN project has reached end-of-life status as of 2017 and is no longer supported. The project is archived, and no patches or further updates are planned or expected.

Credits

  • Grady DeRosa reported this vulnerability to CISA. finder

References

Problem Types

  • CWE-611 CWE