CVE-2026-50268CWE-256CWE-327

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

Low · published June 17, 2026

CVSS v3.1
1.9
EPSS
0%
Percentile
0.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
1.9 · LOW
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00059 · 0.0th percentile
Weaknesses
CWE-256 · Plaintext Storage of a Password; CWE-327 · Use of a Broken or Risky Cryptographic Algorithm
Published
2026-06-17T22:01Z
EPSS history
Timeline
  • 17 JUN 22:01Z
    Steeltoe: OAEP setting silently selects PKCS#1 v1.5 padding
    cvelistv5