Preserve SARIF taxon identity in summaries by andrew · Pull Request #11 · git-pkgs/sarif

andrew · 2026-11-08T20:43:35Z

Preserves SARIF taxon descriptor and taxonomy identity in bounded summaries. Resolves index-only taxon references against tool components and run taxonomies, including when results precede metadata.

This prevents numeric custom taxa such as 79 from being treated as CWE-79 by consumers.

Summary by CodeRabbit

New Features
- Bounded summaries now include each taxon’s descriptor ID and GUID, taxonomy name and GUID, and occurrence count.
- Taxa are resolved from taxonomy references where possible; unresolved taxa retain available identity details.
- Taxa are capped by the unique-values limit, and exceeding the limit marks the summary as truncated.

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coderabbitai · 2026-11-08T20:43:51Z

Walkthrough

The summary API now returns taxa as sorted records containing descriptor and taxonomy identity fields plus occurrence counts. The inspector parses taxonomies from run and tool components, resolves result references, and applies the unique-value limit. Tests and bounded-summary documentation reflect the updated output.

Changes: Taxon summary

Layer / File(s)	Summary
Taxon model and bounded component intake `summary/summary.go`	The summary introduces `Taxon` records and stores them in `Summary.Taxa`. Tool components and top-level taxonomies are parsed within the configured taxa and component limits.
Reference resolution and identity aggregation `summary/summary.go`	Result taxon references are collected and resolved against tool components and top-level taxonomies. Counts are aggregated by taxon identity, subject to the unique-value limit.
Sorted summary output and verification `summary/summary.go`, `summary/summary_test.go`, `README.md`	The summary sorts taxon records by taxonomy name, taxonomy GUID, ID, and GUID. Tests check resolved fields and bounds; the README describes the retained fields.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Bug fix

Sequence Diagram(s)

sequenceDiagram
  participant inspectRun
  participant inspectResults
  participant resolveResultTaxa
  participant TaxonomyComponents
  participant Summary
  inspectRun->>inspectResults: Parse result taxon references
  inspectResults-->>inspectRun: Return pending taxon counts
  inspectRun->>resolveResultTaxa: Resolve pending references
  resolveResultTaxa->>TaxonomyComponents: Match component and descriptor
  resolveResultTaxa->>Summary: Aggregate taxon identities

Possibly related PRs

git-pkgs/sarif#10: Introduced the summary package and the earlier Summary.Taxa map that this change replaces.

Merge Risk: Minimal · up to 5e37a

The change preserves taxon descriptor and taxonomy identity in bounded summaries, so numeric custom taxa are no longer reported as bare CWE IDs. Summary.Taxa changes from a map to a slice of records, which is a deliberate API change that callers need to adopt. No merge-blocking risk was identified.

Security architecture risk: Low · up to 5e37a

The changed parsing path remains bounded, and no new privileged operation or security-control bypass was established. The public API changes, however, and downstream compatibility and interpretation of unresolved taxonomy identities remain unverified.

Retained concerns
No architecture-level concerns identified.

Security review details

Security Blast Radius

inferred — The demonstrated attacker-controlled surface is the supplied SARIF stream and its resulting summary records. The changed pipeline does not itself perform a privileged operation or persist configuration. Exposure through downstream policy decisions cannot be determined without consumer code.

Trust Boundaries and Controls

observed — Unresolved taxon references retain asserted descriptor and taxonomy identity without a resolved-state marker. Successful lookup instead copies metadata from the same SARIF input, not an independently trusted registry. These fields preserve producer assertions rather than authenticate CWE provenance. The base also accepted arbitrary taxon IDs, and explicit rule IDs continue to be counted without descriptor resolution.

Hardening Proposals

proposed — If consumers use taxa for security policy, document producer-trust requirements and consider exposing lookup-resolution status separately. Neither an asserted taxonomy name nor a successful lookup within an untrusted log should be treated as proof of trusted taxonomy provenance.

Pre-merge checks: 4 · 1

Failed checks: 1 warning

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…	Write docstrings for the functions missing them to satisfy the coverage threshold.

Passed checks: 4 passed

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title "Preserve SARIF taxon identity in summaries" matches the main change. The summary changes `Summary.Taxa` from an ID-to-count map to a slice of `Taxon` records that keep ID, GUID, taxonomy na…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Title check

Explanation

The title "Preserve SARIF taxon identity in summaries" matches the main change. The summary changes Summary.Taxa from an ID-to-count map to a slice of Taxon records that keep ID, GUID, taxonomy name, taxonomy GUID, and count. The tests check that identity metadata is kept. The title is short, specific, and free of file lists or vague wording. It names the aspect that matters most, so the check passes.

Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 16 functions across 2 files. (1 skipped: 1 unsupported.)

Resolution

Write docstrings for the functions missing them to satisfy the coverage threshold.

Finishing Touches

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Failed pre-merge checks:
- Docstring Coverage:
Write docstrings for the functions missing them to satisfy the coverage
threshold.

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Commits

Reviewing files that changed from the base of the PR and between `cf8065f` and `5e37a9b`.

Files selected for processing: 3

`README.md`

`summary/summary.go`

`summary/summary_test.go`

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Preserve SARIF taxon identity in summaries

5e37a9b

Copilot AI balanced review requested due to automatic review settings November 8, 2026 20:43

Copilot AI reviewed Nov 8, 2026

coderabbitai Bot reviewed Nov 8, 2026

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andrew merged commit fbd7577 into main Nov 8, 2026
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andrew deleted the fix-taxon-summary-identity branch November 8, 2026 20:51

coderabbitai Bot mentioned this pull request Nov 8, 2026

Honor SARIF result semantics in summaries #12

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Preserve SARIF taxon identity in summaries - #11

Preserve SARIF taxon identity in summaries#11
andrew merged 1 commit into
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andrew commented Nov 8, 2026 •

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