CVE-2025-67819: GO-2025-4238 - Weaviate OSS has path traversal vulnerability via the Shard Movement API in github.com/weaviate/weaviate

CVE-2025-67819 · Severity: medium · CVSS 4.9 · Published 2025-12-12

An issue was discovered in Weaviate OSS before 1.33.4. Due to a lack of validation of the fileName field in the transfer logic, an attacker who can call the GetFile method while a shard is in the "Pause file activity" state and the FileReplicationService is reachable can read arbitrary files accessible to the service process.

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

Quick answers

Is CVE-2025-67819 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-67819 being exploited in the wild.
How severe is CVE-2025-67819?
Medium severity, with a CVSS score of 4.9, published 12 December 2025.
Which products and versions are affected?
github.com/weaviate/weaviate (Go) SEMVER:introduced=1.30.0,fixed=1.30.20, SEMVER:introduced=1.30.0,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-2025-67819?
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-2025-67819?
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=1.30.0,fixed=1.30.20, SEMVER:introduced=1.30.0,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-2025-67819
  • GHSA-hmmh-292h-3364
  • GO-2025-4238

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