CVE-2026-13222: CWE-841 Improper enforcement of behavioral workflow in pretix pretix-oppwa
Our payment integration with Oppwa-based payment methods 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.
AI Analysis
Technical Summary
The pretix-oppwa payment integration improperly enforces behavioral workflow by failing to validate that a payment status response corresponds to the correct payment. An attacker can exploit this by submitting a successful payment status from one payment to the system for a different payment, thereby gaining unauthorized access to multiple valid tickets from a single payment. This is classified as CWE-841 (Improper Enforcement of Behavioral Workflow). The vulnerability affects versions before 1.4.3 and has a CVSS 4.0 base score of 6.3, indicating a medium severity level.
Potential Impact
An attacker can leverage this vulnerability to bypass payment validation, effectively obtaining multiple valid tickets while only making a single payment. This undermines the integrity of the payment process and could lead to financial loss for the ticket issuer and unauthorized access for the attacker.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch is indicated and no vendor advisory is provided, users should monitor pretix communications for updates. Until a fix is available, consider implementing additional manual validation or monitoring of payment status responses to detect anomalies.
CVE-2026-13222: CWE-841 Improper enforcement of behavioral workflow in pretix pretix-oppwa
Description
Our payment integration with Oppwa-based payment methods 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.
CVSS v4.0
Score 6.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The pretix-oppwa payment integration improperly enforces behavioral workflow by failing to validate that a payment status response corresponds to the correct payment. An attacker can exploit this by submitting a successful payment status from one payment to the system for a different payment, thereby gaining unauthorized access to multiple valid tickets from a single payment. This is classified as CWE-841 (Improper Enforcement of Behavioral Workflow). The vulnerability affects versions before 1.4.3 and has a CVSS 4.0 base score of 6.3, indicating a medium severity level.
Potential Impact
An attacker can leverage this vulnerability to bypass payment validation, effectively obtaining multiple valid tickets while only making a single payment. This undermines the integrity of the payment process and could lead to financial loss for the ticket issuer and unauthorized access for the attacker.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch is indicated and no vendor advisory is provided, users should monitor pretix communications for updates. Until a fix is available, consider implementing additional manual validation or monitoring of payment status responses to detect anomalies.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- rami.io
- Date Reserved
- 2026-06-24T16:01:13.668Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3d3f304853345fc113d16d
Added to database: 06/25/2026, 14:46:08 UTC
Last enriched: 06/25/2026, 15:02:27 UTC
Last updated: 06/25/2026, 15:46:19 UTC
Views: 2
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