CVE-2026-6807: CWE-611 in NSA GRASSMARLIN
CVE-2026-6807 is a medium severity vulnerability in NSA's GRASSMARLIN version 3.2.1 and all other versions. It involves improper handling of XML input due to insufficient hardening of the XML parsing process, which can be triggered by crafted session data. This flaw may lead to unintended exposure of sensitive information. There is no known exploit in the wild and no official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-6807 affects all versions of NSA's GRASSMARLIN product. It is categorized under CWE-611, indicating an XML External Entity (XXE) or related XML parsing issue. The root cause is insufficient hardening of the XML parsing process, allowing crafted session data to cause improper XML input handling. This can result in unintended disclosure of sensitive information. The CVSS v3.1 base score is 5.5, reflecting a medium severity with local attack vector, low attack complexity, requiring low privileges and no user interaction, and impacting confidentiality only.
Potential Impact
Successful exploitation of this vulnerability can lead to exposure of sensitive information within the affected system. The integrity and availability of the system are not impacted. No known exploits are currently reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary mitigation has been published, users should monitor NSA advisories for updates. Until a patch is available, restricting access to the affected system and minimizing exposure of session data may reduce risk.
CVE-2026-6807: CWE-611 in NSA GRASSMARLIN
Description
CVE-2026-6807 is a medium severity vulnerability in NSA's GRASSMARLIN version 3.2.1 and all other versions. It involves improper handling of XML input due to insufficient hardening of the XML parsing process, which can be triggered by crafted session data. This flaw may lead to unintended exposure of sensitive information. There is no known exploit in the wild and no official patch or remediation guidance has been provided yet.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-6807 affects all versions of NSA's GRASSMARLIN product. It is categorized under CWE-611, indicating an XML External Entity (XXE) or related XML parsing issue. The root cause is insufficient hardening of the XML parsing process, allowing crafted session data to cause improper XML input handling. This can result in unintended disclosure of sensitive information. The CVSS v3.1 base score is 5.5, reflecting a medium severity with local attack vector, low attack complexity, requiring low privileges and no user interaction, and impacting confidentiality only.
Potential Impact
Successful exploitation of this vulnerability can lead to exposure of sensitive information within the affected system. The integrity and availability of the system are not impacted. No known exploits are currently reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary mitigation has been published, users should monitor NSA advisories for updates. Until a patch is available, restricting access to the affected system and minimizing exposure of session data may reduce risk.
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: 5/6/2026, 2:14:20 AM
Last updated: 6/13/2026, 10:31:41 AM
Views: 48
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