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.
Published: 2026-11-13
Score: 5.3 Medium
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 13 Nov 2026 17:30:00 +0000

Type Values Removed Values Added
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.
Title paicoding 1.0.3 Payment Bypass via Guessable Codes in /article/api/pay/callback
First Time appeared Itwanger
Itwanger paicoding
Weaknesses CWE-334
CPEs cpe:2.3:a:itwanger:paicoding:1.0.3:*:*:*:*:*:*:*
Vendors & Products Itwanger
Itwanger paicoding
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Itwanger Paicoding
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-13T17:22:06.792Z

Reserved: 2026-11-13T16:38:47.488Z

Link: CVE-2026-129144

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-13T18:17:39.190

Modified: 2026-11-13T18:17:39.190

Link: CVE-2026-129144

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-334

    Small Space of Random Values