CVE-2026-40779: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Yannick Lefebvre Link Library
CVE-2026-40779 is a high-severity path traversal vulnerability (CWE-22) in Yannick Lefebvre's Link Library. It allows a contributor-level user to delete arbitrary files in versions up to and including 7.8.8. The vulnerability does not impact confidentiality or integrity but causes a high impact on availability. No patch or official remediation guidance is currently confirmed.
AI Analysis
Technical Summary
This vulnerability involves improper limitation of a pathname to a restricted directory (CWE-22) in the Link Library product by Yannick Lefebvre. Specifically, contributor-level users can exploit this flaw to delete arbitrary files on the system, affecting availability. The CVSS 3.1 base score is 7.7, reflecting network attack vector, low attack complexity, required privileges at the contributor level, no user interaction, and a scope change with high impact on availability only. No vendor advisory or patch information is currently available, and the affected versions are stated as up to 7.8.8 but not explicitly confirmed in canonical form.
Potential Impact
An attacker with contributor privileges can delete arbitrary files, leading to denial of service or disruption of system availability. There is no impact on confidentiality or integrity according to the CVSS vector. This can cause significant operational impact depending on which files are deleted.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict contributor-level access to trusted users only and monitor for suspicious activity related to file deletions.
CVE-2026-40779: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Yannick Lefebvre Link Library
Description
CVE-2026-40779 is a high-severity path traversal vulnerability (CWE-22) in Yannick Lefebvre's Link Library. It allows a contributor-level user to delete arbitrary files in versions up to and including 7.8.8. The vulnerability does not impact confidentiality or integrity but causes a high impact on availability. No patch or official remediation guidance is currently confirmed.
CVSS v3.1
Score 7.7high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper limitation of a pathname to a restricted directory (CWE-22) in the Link Library product by Yannick Lefebvre. Specifically, contributor-level users can exploit this flaw to delete arbitrary files on the system, affecting availability. The CVSS 3.1 base score is 7.7, reflecting network attack vector, low attack complexity, required privileges at the contributor level, no user interaction, and a scope change with high impact on availability only. No vendor advisory or patch information is currently available, and the affected versions are stated as up to 7.8.8 but not explicitly confirmed in canonical form.
Potential Impact
An attacker with contributor privileges can delete arbitrary files, leading to denial of service or disruption of system availability. There is no impact on confidentiality or integrity according to the CVSS vector. This can cause significant operational impact depending on which files are deleted.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict contributor-level access to trusted users only and monitor for suspicious activity related to file deletions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-04-15T09:20:36.793Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a30614e0b89be688893d292
Added to database: 6/15/2026, 8:32:14 PM
Last enriched: 6/15/2026, 9:45:24 PM
Last updated: 6/16/2026, 6:21:48 AM
Views: 6
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