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CVE-2026-18029

Insufficient validation of payment status in pretix-girosolution

MEDIUM
6.3
CVSS Score
Published: July 28, 2026 at 10:39 AM UTC
Updated: October 24, 2026 at 01:10 PM UTC
1 product affected across 1 vendorGirosolution

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Our payment integration with GiroCheckout did not properly validate payment status responses. An attacker could use a successful payment status response from one payment and supply it to the system for a different payment, gaining access to multiple valid tickets with only one payment.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Girosolution· Pretix
90%
0 ≤ v < 1.0.10
Affected range stops below 1.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://pretix.eu/about/en/blog/20260728-release-2026-6-1/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMrami.io
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-841

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