CVE-2026-18029

MediumCVSS 6.3/10Last modified Oct 24, 2026

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.

Metrics

CVSS 4.0 6.3/10

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/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

Weakness enumeration

CWE-841

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
pretix GmbH	pretix-girosolution	< 1.0.1

References

https://pretix.eu/about/en/blog/20260728-release-2026-6-1/

Timeline

Published: Jul 28, 2026
Last modified: Oct 24, 2026
NVD status: Awaiting Analysis

Related CVEs from 2026

CVE-2026-18038.1A weakness has been identified in Ziroom ZHOME A0101 1.0.1.0. Impacted is an unknown function of the component Dropbear SSH Service. This ma CVE-2026-180308.1The BricksForge WordPress plugin before 3.1.8.8 does not verify the identity of the requester when processing a password change submitted th CVE-2026-180319.8The TabaPay Gateway WordPress plugin through 1.4.0 does not validate the payment callback before establishing a session for the account asso CVE-2026-180327.5The WP Data Access WordPress plugin before 5.5.79 does not validate the column names it accepts on one of its unauthenticated AJAX actions,CVE-2026-180355.3The User Access Manager WordPress plugin before 2.3.15 does not apply its access restrictions to REST API requests, allowing unauthenticated CVE-2026-180368.2In Bouncy Castle for Java before 1.86, NTRU reduced secret values with the % operator in three helpers whose reference implementations are d CVE-2026-180376.5The Create WordPress plugin before 2.5.4 does not perform an authorization check before rendering content over one of its public REST API ro CVE-2026-180384.3A flaw has been found in nextlevelbuilder GoClaw up to 3.13.2. Affected by this vulnerability is the function ExecTool.Execute of the file g CVE-2026-180398.1The Essential Addons for Elementor WordPress plugin before 6.7.2 does not prevent user-supplied registration fields from overwriting reserv CVE-2026-18046.4The WDES Responsive Popup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wdes-popup-title' shortcode in CVE-2026-180405.9In Bouncy Castle for Java before 1.86, HQC leaked secret-derived data through two side channels: its GF(2^8) arithmetic used lookup tables i CVE-2026-180425.3The WP Travel WordPress plugin before 12.0.2 does not verify that the requester is authorized to act on the booking targeted by one of its