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Add n8n affected package and supported fix ranges for CVE-2026-103259 - #10486

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The record for CVE-2026-103259 currently has affected: [], so the npm package and affected/fixed releases are absent from its structured metadata. Add npm n8n with the two ranges documented by the assigning CNA:

Affected range Fixed release
<2.39.6 2.39.6
>=2.40.0, <2.40.1 2.40.1

The maintainer advisory identifies the package and both fixed releases. The CNA record explicitly gives pkg:npm/n8n and these separate version intervals. Keeping the ranges separate preserves the fixed 2.39.6 branch and the affected 2.40.0 release. The introduced: "0" event represents the CNA's open lower bound; it is not a claim that the feature existed in the first release.

Only affected changes. The narrative, severity vectors, existing references, attribution and unreviewed status remain unchanged. The vendor/CNA score is CVSS v4 8.5; its v3.1 score is 7.6. No score change is proposed.

Validation: the exact original and proposal pass the official OSV schema; 15 npm version-boundary cases cover fixed releases, the branch gap, prereleases and build metadata. A preservation check confirms that no other metadata changes, and the patch applies to the pinned original and reconstructs the proposal byte for byte. Exact advisory/CVE searches found no matching existing contribution at preparation time.

This corrects metadata for an already public vulnerability. It does not claim discovery, a product-code fix or runtime reproduction. Research and preparation were assisted by Codex.

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github-actions Bot changed the base branch from main to nazeeh111/advisory-improvement-10486 October 22, 2026 05:15
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