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CVE-2026-6807: CWE-611 in NSA GRASSMARLIN

0
Medium
VulnerabilityCVE-2026-6807cvecve-2026-6807cwe-611
Published: Tue Apr 28 2026 (04/28/2026, 17:41:13 UTC)
Source: CVE Database V5
Vendor/Project: NSA
Product: GRASSMARLIN

Description

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.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/29/2026, 02:01:43 UTC

Technical Analysis

This vulnerability (CWE-611) in NSA GRASSMARLIN affects all versions including v3.2.1. It arises from inadequate protection of the XML parsing mechanism, allowing specially crafted session data to trigger improper XML input handling. This can lead to unintended disclosure of sensitive information. The CVSS 3.1 base score is 5.5 (medium severity), with local attack vector, low attack complexity, and requiring low privileges but no user interaction. The vulnerability impacts confidentiality but not integrity or availability. No vendor advisory or patch information is currently available.

Potential Impact

Exploitation of this vulnerability may result in unauthorized disclosure of sensitive information due to improper XML input processing. There is no indication of impact on system integrity or availability. No known active exploits have been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution with XML input and session data handling in GRASSMARLIN. No specific mitigations or workarounds are documented by the vendor at this time.

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Technical Details

Data Version
5.2
Assigner Short Name
icscert
Date Reserved
2026-04-21T16:01:40.334Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 69f1649fcbff5d861047eecb

Added to database: 4/29/2026, 1:53:35 AM

Last enriched: 4/29/2026, 2:01:43 AM

Last updated: 4/29/2026, 2:48:39 AM

Views: 1

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