Anthropic's coordinated vulnerability disclosure dashboard
Anthropic has launched a coordinated vulnerability disclosure dashboard to track security vulnerabilities in open-source software. As of May 22, 2026, the initiative has disclosed 1,596 vulnerabilities across 281 projects, with 97 of these patched. The dashboard aims to provide transparency and details on the vulnerabilities found and their remediation status.
- ▪Anthropic began using Claude Mythos Preview in February 2026 to identify security vulnerabilities.
- ▪The dashboard tracks disclosed vulnerabilities and includes a disclosure ledger for transparency.
- ▪As of May 22, 2026, 88 vulnerabilities have been assigned a CVE or GHSA record.
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Anthropic's coordinated vulnerability disclosure dashboard Overview · Ledger · Archive · About Light Dark System Last updated 2026-05-22 10:27 PT. In February 2026, Anthropic began using an early snapshot of Claude Mythos Preview to find security vulnerabilities in open-source software. We then partnered with external security research firms to triage findings, validate them, and report human-reviewed critical- or high-severity vulnerabilities to the software's maintainers under our Coordinated Vulnerability Disclosure policy. This page tracks the findings that we've disclosed, and, in line with our policy, publishes details of the ones whose disclosure window has now closed. As of May 22, 2026, we've disclosed 1,596 vulnerabilities across 281 open source projects.
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