CVE-2026-101272

Incorrect session validation for API-created shredder exports

Published Oct 28, 2026 CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Description
The mechanism binding files generated during a shredding process to the authentication method is not working correctly and the same session token is used for all token-based API users. This is similar to an issue fixed in 2026.7.1 but was missed while creating the fix. Since the files are referred to by randomly generated UUIDs and only exist for a day, there is virtually no risk, but it renders the added protection mechanism useless. As part of the fix, we have also improved hardening of some other related code areas.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-384
Type Values Removed Values Added
First Time appeared Pretix
Pretix pretix
Vendors & Products Pretix
Pretix pretix
Type Values Removed Values Added
Weaknesses CWE-640
Type Values Removed Values Added
Description The mechanism binding files generated during a shredding process to the authentication method is not working correctly and the same session token is used for all token-based API users. This is similar to an issue fixed in 2026.7.1 but was missed while creating the fix. Since the files are referred to by randomly generated UUIDs and only exist for a day, there is virtually no risk, but it renders the added protection mechanism useless. As part of the fix, we have also improved hardening of some other related code areas.
Title Incorrect session validation for API-created shredder exports
References
Metrics cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
pretix
Published
Updated
Nov 9, 2026, 5:00 PM
Reserved
Sep 28, 2026, 11:48 AM
Status
Deferred
Published
Oct 28, 2026, 11:17 AM
Modified
Nov 9, 2026, 5:17 PM