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CVE-2026-23526— CVAT vulnerable to privilege escalation of users with staff status

Quick assessment

Affected
cvat-ai cvat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CVAT.ai CVAT是CVAT.ai开源的一个数据处理工具。 CVAT.ai CVAT 2.54.0及之前版本存在安全漏洞，该漏洞源于具有staff状态的用户可以自由更改自身权限，可能导致权限提升。

AI Predicted 9.8 Difficulty: Trivial EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts
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I. Basic Information for CVE-2026-23526

Vulnerability Information
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Vulnerability Title
CVAT vulnerable to privilege escalation of users with staff status
Source: CVE Program / CVE List V5
Vulnerability Description
CVAT is an open source interactive video and image annotation tool for computer vision. In versions 1.0.0 through 2.54.0, users that have the staff status may freely change their permissions, including giving themselves superuser status and joining the admin group, which gives them full access to the data in the CVAT instance. Version 2.55.0 fixes the issue. As a workaround, review the list of users with staff status and revoke it from any users that are not expected to have superuser privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
特权定义了不安全动作
Source: CVE Program / CVE List V5
Vulnerability Title
CVAT.ai CVAT 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CVAT.ai CVAT是CVAT.ai开源的一个数据处理工具。 CVAT.ai CVAT 2.54.0及之前版本存在安全漏洞，该漏洞源于具有staff状态的用户可以自由更改自身权限，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
cvat-ai cvat >= 1.0.0, < 2.55.0 -

II. Public POCs for CVE-2026-23526

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III. Intelligence Information for CVE-2026-23526

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Patches & Fixes for CVE-2026-23526 (1)

IV. Related Vulnerabilities

Same product: cvat
Same vendor: cvat-ai
Same weakness: CWE-267

V. Comments for CVE-2026-23526

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