CVE-2026-50268
Steeltoe: OAEP setting silently selects PKCS#1 v1.5 padding
Description
Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Configuration.Encryption 4.0.0 through 4.1.0, configuring `encrypt:rsa:algorithm=OAEP` does not enable OAEP encryption. Due to an incorrect BouncyCastle transformation string, the `OAEP` setting selects PKCS#1 v1.5, which is the same algorithm as the `DEFAULT` setting. Steeltoe.Configuration.Encryption version 4.2.0 patches the issue.
INFO
Published Date :
June 17, 2026, 10:01 p.m.
Last Modified :
June 17, 2026, 10:01 p.m.
Remotely Exploit :
No
Source :
GitHub_M
Affected Products
The following products are affected by CVE-2026-50268
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Steeltoe.Configuration.Encryption library.
- Ensure the library version is 4.2.0 or higher.
- Verify OAEP encryption is correctly configured and applied.
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