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build(deps): bump golang.org/x/net to v0.55.0#1308

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rdimitrov merged 1 commit into
modelcontextprotocol:mainfrom
rdimitrov:bump-x-net-v0.55.0
May 25, 2026
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build(deps): bump golang.org/x/net to v0.55.0#1308
rdimitrov merged 1 commit into
modelcontextprotocol:mainfrom
rdimitrov:bump-x-net-v0.55.0

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Summary

  • Bumps golang.org/x/net from v0.53.0 to v0.55.0 to fix GO-2026-5026 (failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna).
  • govulncheck flagged the vuln via auth.DefaultHTTPKeyFetcher.FetchKeyhttp.Client.Doidna.ToASCII at internal/api/handlers/v0/auth/http.go:191.
  • Also brings in associated x/crypto, x/sys, x/text bumps via go mod tidy.

This unblocks open dependabot PRs (e.g. #1298) that are failing CI on the same govulncheck finding despite not touching the root module.

Test plan

  • go build ./...
  • govulncheck no longer reports GO-2026-5026 locally
  • CI passes

🤖 Generated with Claude Code

Fixes govulncheck failure for GO-2026-5026 (failure to reject ASCII-only
Punycode-encoded labels in golang.org/x/net/idna). The vulnerable call
path is reached from auth.DefaultHTTPKeyFetcher.FetchKey via
http.Client.Do -> idna.ToASCII.

Also pulls in associated x/crypto, x/sys, x/text bumps via go mod tidy.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@rdimitrov rdimitrov merged commit 66cc039 into modelcontextprotocol:main May 25, 2026
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