CVE-2026-6807
MediumPublished
NSA GRASSMARLIN Improper Restriction of XML External Entity Reference
- Published
- Apr 28, 2026
- Updated
- Apr 29, 2026
- Assigning CNA
- icscert
- Evidence observed
- Aug 28, 2026
Primary CVSS
5.5/ 10Medium
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N0.1%
Low · next 30 days
- Percentile
- 3.1%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
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.
Sources
Reverse Engineered based on CISA disclosure of new CVE
Responsible use
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