Cairn
NousResearch/hermes-agent

A2A listener IPv6 host binding and advertising (::1, ::)

Cluster 126284 · gateway. Data as of

Nothing open on GitHub. Fix merged in #135309 on 20 Oct 2026. Check it covers your case.

The short answer

0open issues
0open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #135309. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #135309. That is separate from the fix event.
Still open
Nothing open on GitHub.

These members center on the A2A listener and IPv6 host handling: one bug report describes A2A_HOST=::1 giving a bind_failed error, and two pull requests propose changes to bind and advertise IPv6 hosts, including :: serving IPv6 and IPv4 peers on one socket. The titles do not establish whether any change has been merged or whether the problem is fixed.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

  • #135309 A2A binds A2A_HOST=:: and serves IPv6 and IPv4 peers on one socket (fixes #126284, salvage #126285)

    merged to main

    files: contributors/emails/[redacted:email], plugins/platforms/a2a/adapter.py, plugins/platforms/a2a/security.py, tests/plugins/test_a2a_plugin.py, website/docs/user-guide/messaging/a2a.md

1 PR closed without merging

From the close comments: merged via another change 1

  • #126285 fix(a2a): bind and advertise IPv6 hosts such as ::1 · merged via another change → 8ddf6d1, #135309
Closed issues · 1
  • Closed#126284[Bug]: A2A listener cannot bind an IPv6 host (A2A_HOST=::1 fails with bind_failed)
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

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At a glance

Subsystem
gateway
Merged PRs
#135309
Closed issues
1
Attempts
1 PR closed without merging
Fix link checked
20 Oct 2026

For your agent

The same facts, typed.

cluster/126284.json
cluster/126284.md