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CVE-2025-67818

Good to know:

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Date: December 12, 2025

An issue was discovered in Weaviate OSS before 1.33.4. An attacker with access to insert data into the database can craft an entry name with an absolute path (e.g., /etc/...) or use parent directory traversal (../../..) to escape the restore root when a backup is restored, potentially creating or overwriting files in arbitrary locations within the application's privilege scope.

Severity Score

Related Resources (7)

https://weaviate.io/blog/weaviate-security-release-november-2025
https://nvd.nist.gov/vuln/detail/CVE-2025-67818
https://github.com/advisories/GHSA-7v39-2hx7-7c43
https://github.com/weaviate/weaviate/commit/169df2dc92bc232df62e8fab0a20db2e5371f7aa
https://github.com/weaviate/weaviate/commit/89c2270869e6d64f5b5276b8626c11cd816c6665
https://github.com/weaviate/weaviate
https://www.mend.io/vulnerability-database/CVE-2025-67818

Severity Score

Weakness Type (CWE)

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

UNIX Symbolic Link (Symlink) Following

CWE-61

Top Fix

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Upgrade Version

Upgrade to version github.com/weaviate/weaviate - v1.30.20;github.com/weaviate/weaviate - v1.31.19;github.com/weaviate/weaviate - v1.32.16;github.com/weaviate/weaviate - v1.33.4;https://github.com/weaviate/weaviate.git - v1.30.20;https://github.com/weaviate/weaviate.git - v1.31.19;https://github.com/weaviate/weaviate.git - v1.32.16;https://github.com/weaviate/weaviate.git - v1.33.4

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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