CVE-2026-86039

libp2p is a JavaScript implementation of the libp2p networking stack. From 8.0.0 until 12.0.24, @libp2p/peer-store in packages/peer-store/src/index.ts uses consumePeerRecord to verify a RecordEnvelope signature but does not require PeerRecord.peerId in the signed payload to equal the signer peer ...

CVE-2026-86039 libp2p: PeerStore accepts attacker-signed PeerRecords for a victim peer ID and stores certified attacker addresses

libp2p is a JavaScript implementation of the libp2p networking stack. From 8.0.0 until 12.0.24, @libp2p/peer-store in packages/peer-store/src/index.ts uses consumePeerRecord to verify a RecordEnvelope signature but does not require PeerRecord.peerId in the signed payload to equal the signer peer ...

CVE-2026-86039

CVE-2026-86039 affects @libp2p/peer-store (part of the JavaScript libp2p networking stack) from versions 8.0.0 through 12.0.24 . The root cause is in consumePeerRecord, which verifies a RecordEnvelope signature but fails to require that PeerRecord.peerId in the signed payload matches the signer p...

PT-2026-94370

Name of the Vulnerable Software and Affected Versions @libp2p/peer-store versions 8.0.0 through 12.0.23 Description In the @libp2p/peer-store component, the consumePeerRecord function verifies a RecordEnvelope signature but fails to ensure that the PeerRecord.peerId within the signed payload...