GHSA-8fh9-c4jq-94h4: idunno.Bluesky, idunno.AtProto and idunno.AtProto.OAuthCallback Denial of Service Vulnerability

March 13, 2026

The Microsoft.Bcl.Memory package, a transitive dependency of idunno.AtProto and idunno.AtProto.OAuthCallback had a Denial of Service security vulnerability, CVE-2026-26127

References

github.com/advisories/GHSA-8fh9-c4jq-94h4
github.com/blowdart/idunno.Bluesky
github.com/blowdart/idunno.Bluesky/security/advisories/GHSA-8fh9-c4jq-94h4
github.com/dotnet/announcements/issues/384
www.cve.org/CVERecord?id=CVE-2026-26127

Code Behaviors & Features

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