CVE-2026-129144
Received Received - Intake

Payment Bypass in paicoding via Weak Confirmation Codes

Vulnerability report for CVE-2026-129144, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-11-13

Last updated on: 2026-11-13

Assigner: VulnCheck

Description

paicoding 1.0.3 contains a payment bypass vulnerability that allows authenticated attackers to unlock paid articles by guessing weak payment confirmation codes. Attackers can start a payment, enumerate roughly 2000 IdUtil.genPayCode counter values, and submit the matching verifyCode to the unauthenticated callback to mark it paid.

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Meta Information

Published
2026-11-13
Last Modified
2026-11-13
Generated
2026-11-13
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
itwanger paicoding 1.0.3

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-334 The number of possible random values is smaller than needed by the product, making it more susceptible to brute force attacks.

Attack-Flow Graph

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