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
- 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
Open PRs0
Fixes on record
-
#31229 fix: harden skill trust source matching
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From the close comments: duplicate 1 · superseded by another PR 1
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- skills
- Merged PRs
- #31229
- Closed issues
- 1
- Attempts
- 2 PRs closed without merging
- Fix link checked
- 25 May 2026