CVE-2025-67818: GO-2025-4237 - Weaviate OSS has a Path Traversal Vulnerability via Backup ZipSlip in github.com/weaviate/weaviate

CVE-2025-67818 · Severity: high · CVSS 7.2 · Published 2025-12-12

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.

Technologies: github.com/weaviate/weaviate (Go), Weaviate. Vendors: Go, Weaviate.

Quick answers

Is CVE-2025-67818 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-67818 being exploited in the wild.
How severe is CVE-2025-67818?
High severity, with a CVSS score of 7.2, published 12 December 2025.
Which products and versions are affected?
github.com/weaviate/weaviate (Go) SEMVER:introduced=0,fixed=1.30.20, SEMVER:introduced=0,fixed=1.30.20,introduced=1.31.0-rc.0,fixed=1.31.19,introduced=1.32.0-rc.0,fixed=1.32.16,introduced=1.33.0-rc.0,fixed=1.33.4.
Is there a fix for CVE-2025-67818?
Yes. github.com/weaviate/weaviate (Go): upgrade to 1.30.20, 1.33.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-67818?
Check whether you run github.com/weaviate/weaviate (Go) or Weaviate at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/weaviate/weaviate (Go): upgrade to 1.30.20, 1.33.4 or later
    go get github.com/weaviate/weaviate@v1.33.4

Affected products

  • github.com/weaviate/weaviate (Go) SEMVER:introduced=0,fixed=1.30.20, SEMVER:introduced=0,fixed=1.30.20,introduced=1.31.0-rc.0,fixed=1.31.19,introduced=1.32.0-rc.0,fixed=1.32.16,introduced=1.33.0-rc.0,fixed=1.33.4
  • Weaviate

Identifiers

  • CVE-2025-67818
  • GHSA-7v39-2hx7-7c43
  • GO-2025-4237

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