CVE-2026-50268
Steeltoe: OAEP setting silently selects PKCS#1 v1.5 padding
CVSS Score
1.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-256 CWE-327 |
| Vendor | steeltoeoss |
| Product | steeltoe.configuration.encryption |
| Published | Jun 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
SteeltoeOSS / Steeltoe.Configuration.Encryption
>= 4.0.0, < 4.2.0