CVE-2026-45403: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Mintplex-Labs anything-llm
CVE-2026-45403 is a low-severity vulnerability in Mintplex-Labs' anything-llm application versions prior to 1. 13. 0. The issue arises from improper validation of symbolic links during recursive file copy operations, allowing symlinks inside an allowed source directory to point outside the permitted filesystem root. This can cause files outside the intended directory to be copied into the destination as regular files. The vulnerability is fixed in version 1. 13. 0. No known exploits are reported in the wild, and the CVSS score is low.
AI Analysis
Technical Summary
The vulnerability in anything-llm before version 1.13.0 involves improper link resolution before file access (CWE-59). The recursive copy helper uses fs.stat() and fs.copyFile() without validating each child entry or rejecting symlinks, which follow links by default. This allows a symlink nested inside an allowed source directory to reference files outside the allowed root, resulting in unintended file copying. The issue is resolved in version 1.13.0.
Potential Impact
The impact is limited to the potential unauthorized copying of files outside the intended source directory into the destination directory. The CVSS score of 2 indicates low impact, with confidentiality affected but no integrity or availability impact. Exploitation requires high privileges and user interaction, and no known exploits exist in the wild.
Mitigation Recommendations
Upgrade anything-llm to version 1.13.0 or later, where this vulnerability is fixed. Since no official patch links or advisories are provided, verify the version in use and update accordingly. Patch status is not explicitly confirmed beyond the version fix note; check vendor sources for official guidance.
CVE-2026-45403: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Mintplex-Labs anything-llm
Description
CVE-2026-45403 is a low-severity vulnerability in Mintplex-Labs' anything-llm application versions prior to 1. 13. 0. The issue arises from improper validation of symbolic links during recursive file copy operations, allowing symlinks inside an allowed source directory to point outside the permitted filesystem root. This can cause files outside the intended directory to be copied into the destination as regular files. The vulnerability is fixed in version 1. 13. 0. No known exploits are reported in the wild, and the CVSS score is low.
CVSS v3.1
Score 2.0low
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in anything-llm before version 1.13.0 involves improper link resolution before file access (CWE-59). The recursive copy helper uses fs.stat() and fs.copyFile() without validating each child entry or rejecting symlinks, which follow links by default. This allows a symlink nested inside an allowed source directory to reference files outside the allowed root, resulting in unintended file copying. The issue is resolved in version 1.13.0.
Potential Impact
The impact is limited to the potential unauthorized copying of files outside the intended source directory into the destination directory. The CVSS score of 2 indicates low impact, with confidentiality affected but no integrity or availability impact. Exploitation requires high privileges and user interaction, and no known exploits exist in the wild.
Mitigation Recommendations
Upgrade anything-llm to version 1.13.0 or later, where this vulnerability is fixed. Since no official patch links or advisories are provided, verify the version in use and update accordingly. Patch status is not explicitly confirmed beyond the version fix note; check vendor sources for official guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-12T01:48:40.451Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a18b4aee29bf47b5032f469
Added to database: 5/28/2026, 9:33:34 PM
Last enriched: 5/28/2026, 9:49:04 PM
Last updated: 5/29/2026, 3:24:59 PM
Views: 16
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