Regex backtracking fixes in lifecycle cron patterns

NousResearch/hermes-agent · cluster 129281

Data as of 2026-10-23 11:54 UTC

Nothing open on GitHub. Fix merged in #129322. Check it covers your case.

open issues

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Known?: Yes. 5 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #129322. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #129322. That is separate from the fix event.
Still open: Nothing open on GitHub.

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These issues and pull requests address catastrophic backtracking in profile-flag lifecycle regex patterns used by cron and lifecycle guard logic. The work involves bounding scans, pinning consumption per token, and removing global-flag regex behavior to prevent gateway process freezes.

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.

#129322 fix: prevent global-flag regex backtracking in the lifecycle guard and approval rules

merged to main

files: cron/lifecycle_guard.py, tests/cron/test_lifecycle_guard_profile_scan.py, tests/tools/test_approval_global_flag_scan.py, tools/approval_detection.py

3 PRs closed without merging

From the close comments: merged via another change 2 · done elsewhere 1

#129282 fix(cron): bound profile flag lifecycle scan · done elsewhere → 9546b9d, 897fd61, #129322
#129310 fix(cron): pin one consumption per token in the profile-flag lifecycle pattern · merged via another change → #129322
#129465 fix(cron): bound profile flag lifecycle scan · merged via another change → #129322

Closed issues · 1

Closed#129281cron/lifecycle_guard: catastrophic backtracking in _PROFILE_FLAG_LIFECYCLE_PATTERN freezes the entire gateway process

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Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
Pairwise link density 0.40: 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: #129322
Closed issues: 1
Attempts: 3 PRs closed without merging
Fix link checked: 1 Oct 2026

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