CVE-2026-101275 | BDVDB-2026-402786 Detail

pretixpretix-adyen

Description#

Our payment integration with Adyen 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.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

No weakness recorded in the source data.

References#

https://pretix.eu/about/en/blog/20261110-adyen/

Exploit#

No public exploit known

History#

Version 12026-11-10Record published in the CVE List.

Published

Published: 2026-11-10
Last modified: 2026-11-10

Vendor information

Vendor: pretix
Product: pretix-adyen

All pretix vulnerabilities

Score

6.3 Medium

EPSS

Not available

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.5.4
Fixed
1.5.4

Scoring System

CVSS v4.0

6.3 Medium

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Attack Requirements	Present
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	Low
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	Low
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).