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CoreWCF: SPNEGO SecurityContextToken proof key wrapped without confidentiality

🗓️ 19 Jun 2026 20:47:17Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

CoreWCF SPNEGO SCT proof key can be observed and used to impersonate a user until fix in v1.9.1.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-54784
19 Jun 202620:47
cve
OSV
GHSA-2288-8H3R-CQGG CoreWCF: SPNEGO SecurityContextToken proof key wrapped without confidentiality
19 Jun 202620:47
osv
Positive Technologies
PT-2026-51081
19 Jun 202600:00
ptsecurity
Vulners
Node
corewcf.primitivesRange1.9.01.9.1nuget

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