When maintainers publish a security advisory in their GitHub repository, it doesn't reach the GitHub Advisory Database or OSV until GitHub reviews it. Dependabot, npm audit, OSV-Scanner and most dependency scanners read those databases, so they stay silent in the meantime, often for weeks. The advisory is public and usually already fixed, but it's in limbo.
Limbowatch measures that gap in the open and closes it in CI.
limbowatch scan checks a project's lockfiles or SBOM against advisories in limbo. Reports in GitLab merge requests, GitHub pull requests and Gitea or Forgejo issues, in ten formats including SARIF and CycloneDX.
October 2026 research. About 1 in 6 upstream advisories of 15 popular projects was in limbo, and 13 of 14 projects shipped affected versions their scanner reported as clean.
Open source under Apache-2.0. Research data and the feed are CC BY 4.0. Advisory data comes from GitHub repository security advisories and the GitHub Advisory Database (CC BY 4.0).
Security advisories your scanner can't see yet: published by maintainers, not yet reviewed into GitHub's database or OSV. Live tracker, open OSV feed, and a CI watcher for GitLab, GitHub, Gitea and…
Security advisories your scanner can't see yet: published by maintainers, not yet reviewed into GitHub's database or OSV. Live tracker, open OSV feed, and a CI watcher for GitLab, GitHub, Gitea and Forgejo.
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