CVE-2025-67818

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-12 · updated 2026-10-14
Weakness: CWE-22

Description

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.

Affected products

weaviate: before 1.33.4 — fixed in 1.33.4

How to fix

Upgrade to a fixed version: weaviate 1.33.4. Check the vendor advisory for mitigations.

References

https://github.com/weaviate/weaviate
https://weaviate.io/blog/weaviate-security-release-november-2025

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