CVE-2026-18028
Missing authorization check in event quick setup view
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.
INFO
Published Date :
July 28, 2026, 11:17 a.m.
Last Modified :
July 28, 2026, 1:17 p.m.
Remotely Exploit :
Yes !
Source :
655498c3-6ec5-4f0b-aea6-853b334d05a6
Affected Products
The following products are affected by CVE-2026-18028
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | LOW | 655498c3-6ec5-4f0b-aea6-853b334d05a6 | ||||
| CVSS 4.0 | LOW | 655498c3-6ec5-4f0b-aea6-853b334d05a6 |
Solution
- Implement permission checks for event configuration changes.
- Validate user access before modifying event settings.
- Review and enforce authorization for all setup actions.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-18028.
| URL | Resource |
|---|---|
| https://pretix.eu/about/en/blog/20260728-release-2026-6-1/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-18028 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-18028
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-18028 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-18028 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 28, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-18028', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-28T12:38:05.542080Z'} -
New CVE Received by 655498c3-6ec5-4f0b-aea6-853b334d05a6
Jul. 28, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://github.com/pretix/pretix', 'vendor': 'pretix GmbH', 'product': 'pretix', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '2026.4.6', 'versionType': 'python'}, {'status': 'affected', 'version': '2026.5.0', 'lessThan': '2026.5.4', 'versionType': 'python'}, {'status': 'affected', 'version': '2026.6.0', 'lessThan': '2026.6.1', 'versionType': 'q'}], 'packageName': 'pretix', 'collectionURL': 'https://pypi.python.org', 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V4.0 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 Added CWE CWE-639 Added Reference https://pretix.eu/about/en/blog/20260728-release-2026-6-1/