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HIGH8.6

GHSA-67m4-qxp3-j6hh

TrueLayer.Client SSRF when fetching payment or payment provider

Quick fix

GHSA-67m4-qxp3-j6hh — TrueLayer.Client: upgrade to the fixed version with the command below.

dotnet add package TrueLayer.Client --version 1.6.0

Details

### Impact The vulnerability could potentially allow a malicious actor to gain control over the destination URL of the HttpClient used in the API classes. For applications using the SDK, requests to unexpected resources on local networks or to the internet could be made which could lead to information disclosure.

### Patches Versions of TrueLayer.Client `v1.6.0` and later are not affected.

### Workarounds The issue can be mitigated by having strict egress rules limiting the destinations to which requests can be made, and applying strict validation to any user input passed to the TrueLayer.Client library.

Are you affected?

Enter the version of the package you're using.

Affected packages

NuGet/TrueLayer.Client
Introduced in: 0Fixed in: 1.6.0
Fixdotnet add package TrueLayer.Client --version 1.6.0

References