CVE-2026-50268

LOW

Steeltoe: OAEP setting silently selects PKCS#1 v1.5 padding

Title source: cna
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 1.9
EPSS 0.0005
EPSS Percentile 0.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-256 CWE-327
Status published
Products (1)
SteeltoeOSS/Steeltoe.Configuration.Encryption >= 4.0.0, < 4.2.0
Published Jun 17, 2026
Tracked Since Jun 18, 2026