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[medium] Add SECURITY.md with a private vulnerability reporting policy - #106

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elhoim:docs/security-policy
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elhoim wants to merge 1 commit into
SigmaHQ:mainfrom
elhoim:docs/security-policy

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@elhoim

@elhoim elhoim commented Sep 26, 2026

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BLUF

  • sigma-cli has no security policy, and private vulnerability reporting is disabled, so there is currently no private channel for reporting vulnerabilities.
  • This PR adds a SECURITY.md covering supported versions, how to report privately via GitHub advisories, what counts as a vulnerability for this repository, and response targets.
  • Maintainer action needed: enable Settings → Code security → Private vulnerability reporting. Without it, the "Report a vulnerability" button this policy points to does not exist.
  • No code changes.

Priority: medium

Details

Scope. The scope is tailored to this repository: a CLI that reads third-party rules and writes files (file-system safety, code execution, output injection, plugin supply chain, DoS).

Timelines. 5 days to acknowledge, 14 days to assess, 90-day coordinated disclosure, and a GHSA/CVE through GitHub. These are common defaults; adjust as you see fit.

Consistency. Part of one initiative: the same policy skeleton is proposed for every SigmaHQ code repository, starting with SigmaHQ/pySigma#564.

  • Enabling private vulnerability reporting org-wide (Organisation settings → Code security) covers all repositories at once.
  • A SigmaHQ/.github repository with a default SECURITY.md would also give every repository a policy; these per-repository files can then be dropped or kept for their repository-specific scope.

Testing

Documentation only; no code or test changes.

🤖 Generated with Claude Code

Documents supported versions, private reporting through GitHub security
advisories, the repository-specific vulnerability scope and response targets.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

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