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CVE-2026-5599— API allows deletion of users of other instance

Quick assessment

Affected
pretix Venueless
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.

venueless是venueless开源的一个在线活动平台。 venueless存在安全漏洞，该漏洞源于权限管理不当，可能导致具有API访问权限和“管理用户”权限的用户删除其他世界的用户账户。

AI Predicted 8.1 Difficulty: Trivial EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1098 · Account Manipulation
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I. Basic Information for CVE-2026-5599

Vulnerability Information
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Vulnerability Title
API allows deletion of users of other instance
Source: CVE Program / CVE List V5
Vulnerability Description
A user with API access and "manage users" permission in any venueless world is able to trigger deletion of user accounts in other worlds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的划分
Source: CVE Program / CVE List V5
Vulnerability Title
venueless 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
venueless是venueless开源的一个在线活动平台。 venueless存在安全漏洞，该漏洞源于权限管理不当，可能导致具有API访问权限和“管理用户”权限的用户删除其他世界的用户账户。
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
pretix Venueless 0.0.0 ~ 02b9cbe5 -

II. Public POCs for CVE-2026-5599

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III. Intelligence Information for CVE-2026-5599

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IV. Related Vulnerabilities

Same product: Venueless
Same vendor: pretix
Same weakness: CWE-653

V. Comments for CVE-2026-5599

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