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CVE-2026-18028— Missing authorization check in event quick setup view

Quick assessment

Affected
pretix GmbH pretix
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.

pretix GmbH pretix是pretix GmbH公司的一款在线票务系统。 pretix GmbH pretix 2026.4.6之前版本、2026.5.0至2026.5.4之前版本和2026.6.0至2026.6.1之前版本存在授权问题漏洞，该漏洞源于"quick setup"视图未正确检查权限，可能导致攻击者通过精心时机的请求创建产品、配额、设置银行转账配置或连接Stripe账户到无权访问的活动。

CVSS 2.3 · Low EPSS 0.35% · P26

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 3

VendorProduct Version RangeStatus
pretix GmbH pretix < 2026.4.6 affected
2026.5.0< 2026.5.4 affected
2026.6.0< 2026.6.1 affected
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I. Basic Information for CVE-2026-18028

Vulnerability Information
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Vulnerability Title
Missing authorization check in event quick setup view
Source: CVE Program / CVE List V5
Vulnerability Description
The "quick setup" view presented to users after they first create an event allows to set up the most critical parts of an event in just a few clicks. This view did not properly check that the user has permission to change configuration for the given event. An attacker could use a well-timed request to create products, quotas, set bank transfer configuration, or connect a stripe account to an event they do not have access to.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
pretix GmbH pretix 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pretix GmbH pretix是pretix GmbH公司的一款在线票务系统。 pretix GmbH pretix 2026.4.6之前版本、2026.5.0至2026.5.4之前版本和2026.6.0至2026.6.1之前版本存在授权问题漏洞，该漏洞源于"quick setup"视图未正确检查权限，可能导致攻击者通过精心时机的请求创建产品、配额、设置银行转账配置或连接Stripe账户到无权访问的活动。
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 GmbH pretix 0 ~ 2026.4.6 -

II. Public POCs for CVE-2026-18028

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III. Intelligence Information for CVE-2026-18028

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Security Blog Posts for CVE-2026-18028 (1)

IV. Related Vulnerabilities

Same product: pretix
Same vendor: pretix GmbH
Same weakness: CWE-639

V. Comments for CVE-2026-18028

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