What’s Vulnerable › Vulnerabilities
CVE-2026-9712: Insecure direct object reference
- Severity: low (CVSS 3.8 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-27 · updated 2026-06-17
- Weakness: CWE-639
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.
Affected products
- pretix: from 2024.10.0 before 2026.2.0; from 2026.2.0 before 2026.3.0; from 2026.3.0 before 2026.4.0; from 2026.4.0 before 2026.5.0 — fixed in 2026.2.0, 2026.3.0, 2026.4.0, 2026.5.0
How to fix
Upgrade to a fixed version: pretix 2026.2.0, 2026.3.0, 2026.4.0, 2026.5.0. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-9712 or the next vulnerability affects your stack