NousResearch/hermes-agent

Fix session poisoning from encrypted content 400 errors

Cluster 111309. Data as of 2026-10-26 12:29 UTC

Nothing open on GitHub. Fix merged in #111437 on 15 Sep 2026. Check it covers your case.

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Known?: Yes. 3 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #111437. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #111437. That is separate from the fix event.
Still open: Nothing open on GitHub.

Next step: read #111437, then check it covers your case.

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A bug where certain 400 error responses (encrypted content and related provider-specific errors) were not recognized as recoverable, causing sessions to be permanently poisoned. The fixes add handling so these errors recover gracefully instead of breaking the session.

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Fixes on record

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

#111437 fix(agent): opencode-zen encrypted-reasoning and NVIDIA NIM tool-content 400s now recover instead of poisoning the session (#111309, #111231, salvage #111312 #111236)

merged to main

files: agent/error_classifier.py, tests/agent/test_error_classifier.py, tests/agent/test_multimodal_tool_content_recovery.py

1 PR closed without merging

From the close comments: other 1

#111312 fix(agent): recover OpenCode Zen encrypted replay errors · other → #109578, #109572, #111309

Closed issues · 1

Closed#111309[Bug]: opencode-zen wrapped "encrypted_content was not issued to this caller" 400 is not classified as invalid_encrypted_content — session permanently poisoned, forces new session

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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

Merged PRs: #111437
Closed issues: 1
Attempts: 1 PR closed without merging
Fix link checked: 15 Sep 2026

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