CVE-2026-25628 HIGH

CVE-2026-25628: Qdrant affected by arbitrary file write via `/logger` endpoint

Vendor Qdrant
Product qdrant
Weakness CWE-73
Published February 6, 2026
Last update February 6, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Qdrant is a vector similarity search engine and vector database. From 1.9.3 to before 1.16.0, it is possible to append to arbitrary files via /logger endpoint using an attacker-controlled on_disk.log_file path. Minimal privileges are required (read-only access). This vulnerability is fixed in 1.16.0.

Key dates

02Disclosure timeline

February 6, 2026 CVE published
February 6, 2026 Record updated