Tessa.Web.Client.Net (NuGet) · Malicious Code
Affects Tessa.Web.Client.NetSource GCVE Database
Malicious package : remove Tessa.Web.Client.Net and rotate any secrets on hosts that installed it.
Data as of 20 Jul 2026, 20:00 UTC
Malicious package
Published to NuGet · OSV MAL-2024-4684
What to do
Remove Tessa.Web.Client.Net from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
NuGetTessa.Web.Client.Netpkg:nuget/Tessa.Web.Client.NetOther threats | Affected
| Fixed in– |
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Description
The NuGet package Tessa.Web.Client.Net version 3.6.0.16 has been identified as containing malicious code. This is a supply chain threat where the package itself is malicious, potentially impacting any project that includes this specific version. There is no CVSS score available, and no known exploits in the wild have been reported at this time.