CVE-2026-40556
CVE-2026-40556 is a vulnerability in GNU nano version 2.9.1 related to improper permissions management (CWE-732). It has been published without detailed technical description or vendor remediation guidance. The vulnerability has a CVSS 4.0 vector indicating local attack vector with low complexity and no user interaction required, but partial impact on integrity. No known exploits or patches are currently documented.
AI Analysis
Technical Summary
This vulnerability affects GNU nano 2.9.1 and is categorized under CWE-732, which involves incorrect permission assignment for critical resources. The CVSS 4.0 vector suggests the attack requires local access with low complexity and no privileges or user interaction, potentially allowing partial integrity impact. No official remediation or patch information is available at this time, and no exploits are known in the wild.
Potential Impact
The vulnerability could allow an attacker with local access to cause partial integrity violations due to improper permissions. Since no further details or exploits are known, the exact impact scope remains unclear.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local access to affected systems and monitor for unusual activity related to nano usage.
CVE-2026-40556
Description
CVE-2026-40556 is a vulnerability in GNU nano version 2.9.1 related to improper permissions management (CWE-732). It has been published without detailed technical description or vendor remediation guidance. The vulnerability has a CVSS 4.0 vector indicating local attack vector with low complexity and no user interaction required, but partial impact on integrity. No known exploits or patches are currently documented.
CVSS v4.0
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects GNU nano 2.9.1 and is categorized under CWE-732, which involves incorrect permission assignment for critical resources. The CVSS 4.0 vector suggests the attack requires local access with low complexity and no privileges or user interaction, potentially allowing partial integrity impact. No official remediation or patch information is available at this time, and no exploits are known in the wild.
Potential Impact
The vulnerability could allow an attacker with local access to cause partial integrity violations due to improper permissions. Since no further details or exploits are known, the exact impact scope remains unclear.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local access to affected systems and monitor for unusual activity related to nano usage.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CERT-PL
- Date Reserved
- 2026-04-14T09:44:32.553Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f0c288cbff5d86101cc9d8
Added to database: 4/28/2026, 2:22:00 PM
Last enriched: 5/6/2026, 2:33:40 AM
Last updated: 6/13/2026, 10:26:27 AM
Views: 69
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