CVE-2026-33661 — Pay is an open-source payment SDK extension package for various Chinese payment…
🚨 CVE-2026-33661 Pay is an open-source payment SDK extension package for various Chinese payment services. Prior to version 3.7.20, the `verify_wechat_sign()` function in…
What This Means For You
- New vulnerability disclosed — verify if your stack is exposed.
- Supply chain risk — audit dependencies and third-party integrations.
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-33661 | Code Injection | Pay SDK extension package, versions prior to 3.7.20, vulnerable function: verify_wechat_sign() |
Source & Attribution
| Source Platform | Telegram |
| Channel | CVE Notify |
| Channel ID | 1129491012 |
| Message ID | 157558 |
| Published | April 01, 2026 at 16:56 UTC |
| Original Link | https://github.com/yansongda/pay/commit/26987ebf789f1e7f0... |
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