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CVE-2026-9712— Insecure direct object reference

Quick assessment

Affected
pretix 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是德国pretix公司的一个票务系统。 pretix存在安全漏洞，该漏洞源于一个API端点未验证用于下载的UUID是否属于应可下载的文件且属于正确用户，可能导致攻击者利用有效UUID访问不应下载的文件。

AI Predicted 4.3 Difficulty: Trivial EPSS 0.22% · P13

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 4

VendorProduct Version RangeStatus
pretix pretix 2024.10.0< 2026.2.0 affected
2026.2.0< 2026.3.0 affected
2026.3.0< 2026.4.0 affected
2026.4.0< 2026.5.0 affected
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I. Basic Information for CVE-2026-9712

Vulnerability Information
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Vulnerability Title
Insecure direct object reference
Source: CVE Program / CVE List V5
Vulnerability Description
When creating an export through the pretix API, API clients are returned an UUID value for their export job (a long, random string like 35742818-c375-4d15-839f-d49aecce94d6). Using this UUID, the API client can then request the actual file for download. The same kind of UUID is used in other places in pretix when temporary files are generated for internal use or download. One remaining API endpoint, however, wrongfully did not verify if the UUID used for download actually belongs to a file that is supposed to be downloadable and belongs to the correct user. In reality, this is hard to exploit because an attacker would need to have access to a valid UUID for the file they desire which is unlikely to happen without a separate security problem giving them access to logs etc.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:U
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 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pretix是德国pretix公司的一个票务系统。 pretix存在安全漏洞，该漏洞源于一个API端点未验证用于下载的UUID是否属于应可下载的文件且属于正确用户，可能导致攻击者利用有效UUID访问不应下载的文件。
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 pretix 2024.10.0 ~ 2026.2.0 -

II. Public POCs for CVE-2026-9712

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III. Intelligence Information for CVE-2026-9712

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Security Blog Posts for CVE-2026-9712 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-9712

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