{"action":"Upgrade @libp2p/peer-store to 12.0.24 or later.","affected":[{"fixed":"12.0.24","introduced":"8.0.0"}],"component":"@libp2p/peer-store","cve_ids":["CVE-2026-86039"],"ecosystem":"npm","epss":0.0027,"exploited":false,"fixed_versions":["12.0.24"],"ghsa_id":"GHSA-vrf4-mx87-p53w","id":"tcs_01M5KGCVRQ9PNC0JCD4DEBBM8K","modified_at":"2026-09-17T18:15:04.074028119Z","published_at":"2026-09-17T18:01:38Z","references":["https://osv.dev/vulnerability/GHSA-vrf4-mx87-p53w","https://github.com/libp2p/js-libp2p/security/advisories/GHSA-vrf4-mx87-p53w","https://github.com/libp2p/js-libp2p/pull/3570","https://github.com/libp2p/js-libp2p/commit/3bf5d395cbca1488eea6e87cd771e4613b661c30","https://github.com/libp2p/js-libp2p","https://github.com/libp2p/js-libp2p/releases/tag/peer-store-v12.0.24"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GHSA-vrf4-mx87-p53w","url":"https://osv.dev/vulnerability/GHSA-vrf4-mx87-p53w"}],"summary":"libp2p: PeerStore accepts attacker-signed PeerRecords for a victim peer ID and stores certified attacker addresses"}