NousResearch/hermes-agent

Guard against NUL bytes in terminal/lifecycle code

Cluster 77988. Data as of 2026-10-25 11:21 UTC

Nothing open on GitHub. Fix merged in #80258 on 6 Aug 2026. Check it covers your case.

open issues

open PRs

items grouped

Known?: Yes. 4 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #80258. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this unresolved. That is separate from the fix event.
Still open: Nothing open on GitHub.

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These members address crashes or errors caused by embedded NUL bytes appearing in command tokens, affecting lifecycle guard and terminal script scanning paths. Fixes are applied to prevent unhandled exceptions in both areas.

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.

#80258 fix(cron): make the lifecycle guard total — sanitize at ingestion, not per-syscall

merged to main

files: cron/lifecycle_guard.py, cron/scheduler.py, tests/cron/test_cron_no_agent.py, tests/hermes_cli/test_gateway_restart_loop.py, tools/terminal_tool.py

2 PRs closed without merging

From the close comments: superseded by another PR 2

#78013 fix(cron): handle embedded null byte in lifecycle guard command tokens (#77988) · superseded by another PR → #80258, #76762, #77703, #77780, #78256
#79390 fix(terminal): guard against NUL bytes in referenced script scanning · superseded by another PR → #80258, #76762, #77703, #77780, #78256

Closed issues · 1

Closed#77988lifecycle_guard: unhandled ValueError ("embedded null byte") crashes every terminal-tool call once a NUL byte appears in a command token

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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.50: 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: #80258
Closed issues: 1
Attempts: 2 PRs closed without merging
Fix link checked: 6 Aug 2026

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