cve.now is a free service that combines vulnerability records and security advisories from the CVE List, CISA’s Known Exploited Vulnerabilities catalog, EPSS, and OSV. Its purpose is to help teams respond faster to new threats by bringing fragmented information into a searchable feed, explaining entries in plain English, and helping users identify whether their software is affected. The launch is framed against a day of serious incidents, including PHP vulnerabilities, a malicious LiteLLM release, Node.js flaws, and a Railway breach. The central problem, Sazabi argues, is that teams face scattered data, delayed awareness unless someone prompts an agent, and a volume of vulnerabilities that makes relevant risks hard to spot.
The service refreshes data every five minutes and joins records using exact identifiers. It offers RSS, Atom, JSON, an API, and an MCP server for coding agents, with filters for technologies and package ecosystems and a lockfile-based dependency check. Its “critical” feed uses fixed rules: inclusion in CISA’s exploited catalog; a CVSS score of at least 9 affecting widely used technology; or a score of at least 7 combined with a high EPSS likelihood. AI writes summaries, but source records determine facts such as severity and affected versions. Current limitations include roughly 30 days of history, no Nix, SBOM, or operating-system package checks, and no coverage of incidents without CVEs. The service is free and requires no account, but is not meant to be a team’s sole security-alert source.
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