Missing authorization check in event quick setup view

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-18028
StatePUBLISHED
Assignerrami.io
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-28 11:17:03 UTC
Updated2026-07-30 16:43:03 UTC
DescriptionThe "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.

Risk And Classification

Primary CVSS: v4.0 2.3 LOW from 655498c3-6ec5-4f0b-aea6-853b334d05a6

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.002070000 probability, percentile 0.109580000 (date 2026-08-03)

Problem Types: CWE-639 | CWE-639 CWE-639 Authorization bypass through User-Controlled key

VersionSourceTypeScoreSeverityVector
4.0655498c3-6ec5-4f0b-aea6-853b334d05a6Secondary2.3LOWCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/C...
4.0CNACVSS2.3LOWCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Sub Conf.
None
Sub Integrity
Low
Sub Availability
None

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Pretix GmbH Pretix affected 2026.4.6 python Not specified
CNA Pretix GmbH Pretix affected 2026.5.0 2026.5.4 python Not specified
CNA Pretix GmbH Pretix affected 2026.6.0 2026.6.1 q Not specified

References

ReferenceSourceLinkTags
pretix.eu/about/en/blog/20260728-release-2026-6-1 655498c3-6ec5-4f0b-aea6-853b334d05a6 pretix.eu
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: dizconnectz (en)

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