---
id: CVE-2025-67819
title: An issue was discovered in Weaviate OSS before 1.33.4
summary: >-
  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 FileR…
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-22
vendor: weaviate
product: weaviate
affected:
  - 'weaviate >= 1.30.0, <= 1.30.19'
  - 'weaviate >= 1.31.0, <= 1.31.18'
  - 'weaviate >= 1.32.0, <= 1.32.15'
  - 'weaviate >= 1.33.0, <= 1.33.3'
published: '2025-12-12'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:10:00.210'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-67819'
references:
  - url: 'https://github.com/weaviate/weaviate'
    label: cve@mitre.org
  - url: 'https://weaviate.io/blog/weaviate-security-release-november-2025'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00502
epssPercentile: 0.41447
ingestedAt: '2026-10-14T17:44:53.607Z'
---

## Overview

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.

## Affected

- `weaviate >= 1.30.0, <= 1.30.19`
- `weaviate >= 1.31.0, <= 1.31.18`
- `weaviate >= 1.32.0, <= 1.32.15`
- `weaviate >= 1.33.0, <= 1.33.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.