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Malicious code in PayPalMerchant.SDK (NuGet)

Malware Published Jul 20, 2026 to the GitHub Advisory Database • Updated Jul 20, 2026

Package

nuget PayPalMerchant.SDK (NuGet)

Affected versions

= 3.40.25
= 3.40.26
= 3.40.27
= 3.40.24
= 3.40.4
= 3.40.29
= 3.40.21
= 3.40.12
= 3.40.5
= 3.40.30
= 3.40.20
= 45.51.1
= 3.40.13
= 3.40.11
= 3.40.22
= 3.40.17
= 45.40.8
= 45.40.7
= 3.40.8
= 3.40.10
= 2.16.250
= 3.40.9
= 3.40.15
= 3.40.1
= 3.40.28
= 3.40.16
= 3.40.18
= 3.40.14
= 45.40.6
= 3.40.7
= 3.40.3
= 3.40.23
= 45.41.0
= 3.40.19
= 3.40.2
= 3.40.6
= 3.40.0
= 45.51.0
= 45.40.9

Patched versions

None

Description

Credit: OpenSSF (source)

References

Published to the GitHub Advisory Database Jul 20, 2026
Reviewed Jul 20, 2026
Last updated Jul 20, 2026

EPSS score

Weaknesses

Embedded Malicious Code

The product contains code that appears to be malicious in nature. Learn more on MITRE.

GHSA ID

GHSA-vw9c-37q2-v97f

Source code

No known source code
Improvements are not currently accepted on this advisory because this package is malware and has no patched versions. If there is something to change, please open an issue at https://github.com/github/advisory-database/issues.