GHSA-wr8q-c73g-m7gp

Suggest an improvement
Source
https://github.com/advisories/GHSA-wr8q-c73g-m7gp
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wr8q-c73g-m7gp/GHSA-wr8q-c73g-m7gp.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-wr8q-c73g-m7gp
Aliases
  • CVE-2026-5600
Published
2026-04-08T15:31:44Z
Modified
2026-04-08T19:34:46.980482Z
Severity
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H CVSS Calculator
Summary
pretix: API leaks check-in data between events of the same organizer
Details

A new API endpoint introduced in pretix 2025 that is supposed to return all check-in events of a specific event in fact returns all check-in events belonging to the respective organizer. This allows an API consumer to access information for all other events under the same organizer, even those they should not have access to.

These records contain information on the time and result of every ticket scan as well as the ID of the matched ticket. Example:

{ "id": 123, "successful": true, "errorreason": null, "errorexplanation": null, "position": 321, "datetime": "2020-08-23T09:00:00+02:00", "list": 456, "created": "2020-08-23T09:00:00+02:00", "autocheckedin": false, "gate": null, "device": 1, "device_id": 1, "type": "entry" }

An unauthorized user usually has no way to match these IDs (position) back to individual people.

Database specific
{
    "nvd_published_at": "2026-04-08T13:16:43Z",
    "severity": "MODERATE",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-653"
    ],
    "github_reviewed_at": "2026-04-08T19:23:39Z"
}
References

Affected packages

PyPI / pretix

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
2026.3.0
Fixed
2026.3.1

Affected versions

2026.*
2026.3.0

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wr8q-c73g-m7gp/GHSA-wr8q-c73g-m7gp.json"

PyPI / pretix

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
2026.2.0
Fixed
2026.2.1

Affected versions

2026.*
2026.2.0

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wr8q-c73g-m7gp/GHSA-wr8q-c73g-m7gp.json"

PyPI / pretix

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2026.1.2

Affected versions

1.*
1.0.0b1
1.0.0b2
1.0.0
1.1.0
1.1.1
1.1.2
1.1.3
1.2.0
1.2.1.post2
1.2.2
1.3.0
1.3.0.post1
1.3.1
1.4.0
1.4.1
1.5.0
1.5.1
1.5.2
1.6.0
1.6.1
1.6.2
1.7.1
1.7.2
1.8.0
1.8.1
1.9.0
1.9.1
1.10.0
1.10.1
1.11.0
1.11.1
1.12.0
1.12.1
1.13.0
1.13.1
1.14.0
1.15.0
1.15.1
1.15.2
1.16.0
1.17.0
1.17.1
2.*
2.0.0
2.1.0
2.2.0
2.3.0
2.4.0
2.5.0
2.6.0
2.7.0
2.7.1
2.7.2
2.8.2
3.*
3.0.0
3.0.1
3.1.0
3.2.0
3.3.0
3.4.0
3.5.0
3.6.0
3.6.0.post1
3.7.0
3.8.0
3.9.0
3.10.0
3.11.0
3.11.1
3.12.0
3.12.1
3.13.0
3.13.1
3.14.0
3.14.1
3.14.2
3.15.0
3.16.0
3.17.1
3.17.2
3.18.0
4.*
4.0.0
4.1.0
4.2.0
4.3.0
4.3.1
4.4.0
4.4.1
4.5.0
4.5.1
4.5.2
4.6.0
4.6.1
4.7.0
4.7.1
4.8.0
4.9.0
4.9.1
4.10.0
4.10.1
4.11.0
4.11.1
4.12.0
4.13.0
4.13.1
4.14.0.dev0
4.14.0
4.15.0.dev0
4.15.0
4.15.1
4.16.0
4.16.1
4.17.0
4.17.1
4.18.0
4.18.1
4.18.2
4.18.2.post1
4.19.0
4.20.0
4.20.1
4.20.2.post1
4.20.4
2023.*
2023.6.0
2023.6.1
2023.6.3
2023.7.0
2023.7.1
2023.7.3
2023.8.0
2023.8.1
2023.9.0
2023.9.1
2023.10.0
2023.10.1.post1
2023.10.2
2024.*
2024.1.0
2024.1.1
2024.2.0
2024.3.0
2024.4.0
2024.5.0
2024.5.1
2024.6.0
2024.6.1
2024.7.0
2024.7.1
2024.8.0
2024.9.0
2024.10.0
2024.11.0
2025.*
2025.1.0
2025.2.0
2025.3.0
2025.4.0
2025.5.0
2025.6.0
2025.7.0
2025.7.1
2025.7.2
2025.7.3
2025.8.0
2025.8.1
2025.8.2
2025.8.3
2025.9.0
2025.9.1
2025.9.2
2025.9.3
2025.9.4
2025.10.0
2025.10.1
2025.10.2
2026.*
2026.1.0
2026.1.1

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wr8q-c73g-m7gp/GHSA-wr8q-c73g-m7gp.json"