Vulnerability in Corewcf
CVE-2026-54780
CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, the CoreWCF WS-Security 1.0 receive pipeline validates ds:SignedInfo SignatureMethod against the configured SecurityAlg…
Vulnerability class: POODLE (CVE-2014-3566)
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Corewcf — versions >= 1.9.0, < 1.9.1, < 1.8.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-54780?
- CVE-2026-54780 is a low-severity vulnerability in Corewcf, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.7/10. Published 2026-07-08.
- How severe is CVE-2026-54780?
- Low severity. CVSS v3 base score is 3.7 out of 10.