NousResearch/hermes-agent

Skills trust-level prefix-match security hardening

Cluster 31141 · skills. Data as of

Nothing open on GitHub. Fix merged in #31229 on 25 May 2026. Check it covers your case.

The short answer

0open issues
0open PRs
4items grouped
Known?
Yes. 4 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #31229. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #31229. That is separate from the fix event.
Still open
Nothing open on GitHub.

These items address a vulnerability where attacker-controllable skill identifiers could exploit prefix-matching logic in skills_guard to obtain elevated trust tiers. The work focuses on tightening trust-level assignment by enforcing exact or subpath matching and anchoring trust to verified provenance rather than identifier strings.

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.

  • #31229 fix: harden skill trust source matching

    merged to main

    files: hermes_cli/skills_hub.py, tests/hermes_cli/test_skills_hub.py, tests/tools/test_skills_guard.py, tools/skills_guard.py

2 PRs closed without merging

From the close comments: duplicate 1 · superseded by another PR 1

  • #31146 fix(security): use exact-or-subpath match for skills_guard trusted-repo tier · superseded by another PR → 9366064, #31229
  • #31153 security(skills): prevent prefix-match trust level bypass · duplicate → #31146, #31141
Closed issues · 1
  • Closed#31141security: skills_guard._resolve_trust_level prefix-match grants trusted tier to attacker-controlled identifiers
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

Subsystem
skills
Merged PRs
#31229
Closed issues
1
Attempts
2 PRs closed without merging
Fix link checked
25 May 2026

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