{"schema_version":1,"title":"Libp2p vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 11 vulnerabilities in Libp2p: 0 in the last 7 days and 6 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-86040, was published on 17 September 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/libp2p","json_url":"https://junglewise.ai/threats/vendors/libp2p.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/libp2p","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":9,"all_time":11,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":3,"last_90_days":6,"last_365_days":9},"latest":[{"cve":"CVE-2026-86040","cvss":7.5,"epss":0.0067,"slug":"cve-2026-86040-libp2p-floodsub-unauthenticated-rpc-denial-of-service","title":"libp2p floodsub unauthenticated RPC denial of service","severity":"high","exploited":false,"published_at":"2026-09-17T16:18:17.25+00:00","url":"https://junglewise.ai/threats/cve-2026-86040-libp2p-floodsub-unauthenticated-rpc-denial-of-service"},{"cve":"CVE-2026-86039","cvss":8.2,"epss":0.0027,"slug":"cve-2026-86039-libp2p-peerstore-peer-id-spoofing-in-signed-records","title":"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/sr","severity":"high","exploited":false,"published_at":"2026-09-17T16:18:17.09+00:00","url":"https://junglewise.ai/threats/cve-2026-86039-libp2p-peerstore-peer-id-spoofing-in-signed-records"},{"cve":"CVE-2026-86038","cvss":7.5,"epss":0.0019,"slug":"cve-2026-86038-libp2p-gossipsub-message-authentication-bypass-in-rsa-peer-ids","title":"libp2p is a JavaScript implementation of the libp2p networking stack. From 15.0.0 until 16.0.5, @libp2p/gossipsub uses the default StrictSig","severity":"high","exploited":false,"published_at":"2026-09-17T16:18:16.927+00:00","url":"https://junglewise.ai/threats/cve-2026-86038-libp2p-gossipsub-message-authentication-bypass-in-rsa-peer-ids"},{"cve":"CVE-2026-77384","cvss":7.5,"epss":0.0061,"slug":"cve-2026-77384-libp2p-circuit-relay-v2-denial-of-service-via-listener-leak-on","title":"libp2p circuit-relay-v2 denial of service via listener leak on reservation refresh","severity":"high","exploited":false,"published_at":"2026-08-24T22:17:19.65+00:00","url":"https://junglewise.ai/threats/cve-2026-77384-libp2p-circuit-relay-v2-denial-of-service-via-listener-leak-on"},{"cvss":7.5,"slug":"libp2p-py-libp2p-dos-via-oversized-yamux-data-frame-16b23450","title":"libp2p py-libp2p DoS via oversized yamux DATA frame","severity":"high","exploited":false,"published_at":"2026-07-24T22:37:17+00:00","url":"https://junglewise.ai/threats/libp2p-py-libp2p-dos-via-oversized-yamux-data-frame-16b23450"},{"cve":"CVE-2026-49866","cvss":7.5,"epss":0.0063,"slug":"cve-2026-49866-libp2p-gossipsub-denial-of-service-via-oversized-control-messages","title":"libp2p gossipsub denial of service via oversized control messages","severity":"high","exploited":false,"published_at":"2026-07-08T21:16:49.137+00:00","url":"https://junglewise.ai/threats/cve-2026-49866-libp2p-gossipsub-denial-of-service-via-oversized-control-messages"},{"cve":"CVE-2026-46679","cvss":7.5,"epss":0.0046,"slug":"cve-2026-46679-libp2p-js-libp2p-memory-exhaustion-in-libp2p-gossipsub","title":"libp2p js-libp2p memory exhaustion in @libp2p/gossipsub","severity":"high","exploited":false,"published_at":"2026-06-10T22:17:00.3+00:00","url":"https://junglewise.ai/threats/cve-2026-46679-libp2p-js-libp2p-memory-exhaustion-in-libp2p-gossipsub"},{"cve":"CVE-2026-45783","cvss":7.5,"epss":0.005,"slug":"cve-2026-45783-libp2p-libp2p-kad-dht-disk-exhaustion-via-unvalidated-put-value","title":"libp2p @libp2p/kad-dht Disk Exhaustion via Unvalidated PUT_VALUE Records","severity":"high","exploited":false,"published_at":"2026-06-10T22:16:59.053+00:00","url":"https://junglewise.ai/threats/cve-2026-45783-libp2p-libp2p-kad-dht-disk-exhaustion-via-unvalidated-put-value"},{"cve":"CVE-2026-34219","cvss":5.9,"epss":0.004,"slug":"cve-2026-34219-libp2p-rust-libp2p-denial-of-service-in-gossipsub-heartbeat","title":"libp2p rust-libp2p denial of service in Gossipsub heartbeat","severity":"medium","exploited":false,"published_at":"2026-03-31T16:16:31.92+00:00","url":"https://junglewise.ai/threats/cve-2026-34219-libp2p-rust-libp2p-denial-of-service-in-gossipsub-heartbeat"},{"cve":"CVE-2023-39533","cvss":7.5,"epss":0.015,"slug":"cve-2023-39533-libp2p-go-libp2p-resource-exhaustion-via-large-rsa-keys","title":"libp2p go-libp2p resource exhaustion via large RSA keys","severity":"high","exploited":false,"published_at":"2023-08-09T13:18:18+00:00","url":"https://junglewise.ai/threats/cve-2023-39533-libp2p-go-libp2p-resource-exhaustion-via-large-rsa-keys"},{"cve":"CVE-2022-23487","cvss":3.1,"epss":0.0071,"slug":"cve-2022-23487-js-libp2p-denial-of-service-via-resource-exhaustion","title":"js-libp2p denial-of-service via resource exhaustion","severity":"low","exploited":false,"published_at":"2022-12-07T23:23:59+00:00","url":"https://junglewise.ai/threats/cve-2022-23487-js-libp2p-denial-of-service-via-resource-exhaustion"}],"vendor":{"hub":true,"name":"Libp2p","slug":"libp2p","description":"Modular peer-to-peer networking library for building decentralized applications.","url":"https://junglewise.ai/threats/vendors/libp2p"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-86039","cvss":8.2,"epss":0.0027,"slug":"cve-2026-86039-libp2p-peerstore-peer-id-spoofing-in-signed-records","title":"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/sr","severity":"high","exploited":false,"published_at":"2026-09-17T16:18:17.09+00:00","url":"https://junglewise.ai/threats/cve-2026-86039-libp2p-peerstore-peer-id-spoofing-in-signed-records"},{"cve":"CVE-2023-39533","cvss":7.5,"epss":0.015,"slug":"cve-2023-39533-libp2p-go-libp2p-resource-exhaustion-via-large-rsa-keys","title":"libp2p go-libp2p resource exhaustion via large RSA keys","severity":"high","exploited":false,"published_at":"2023-08-09T13:18:18+00:00","url":"https://junglewise.ai/threats/cve-2023-39533-libp2p-go-libp2p-resource-exhaustion-via-large-rsa-keys"},{"cve":"CVE-2026-86040","cvss":7.5,"epss":0.0067,"slug":"cve-2026-86040-libp2p-floodsub-unauthenticated-rpc-denial-of-service","title":"libp2p floodsub unauthenticated RPC denial of service","severity":"high","exploited":false,"published_at":"2026-09-17T16:18:17.25+00:00","url":"https://junglewise.ai/threats/cve-2026-86040-libp2p-floodsub-unauthenticated-rpc-denial-of-service"},{"cve":"CVE-2026-49866","cvss":7.5,"epss":0.0063,"slug":"cve-2026-49866-libp2p-gossipsub-denial-of-service-via-oversized-control-messages","title":"libp2p gossipsub denial of service via oversized control messages","severity":"high","exploited":false,"published_at":"2026-07-08T21:16:49.137+00:00","url":"https://junglewise.ai/threats/cve-2026-49866-libp2p-gossipsub-denial-of-service-via-oversized-control-messages"},{"cve":"CVE-2026-77384","cvss":7.5,"epss":0.0061,"slug":"cve-2026-77384-libp2p-circuit-relay-v2-denial-of-service-via-listener-leak-on","title":"libp2p circuit-relay-v2 denial of service via listener leak on reservation refresh","severity":"high","exploited":false,"published_at":"2026-08-24T22:17:19.65+00:00","url":"https://junglewise.ai/threats/cve-2026-77384-libp2p-circuit-relay-v2-denial-of-service-via-listener-leak-on"},{"cve":"CVE-2026-45783","cvss":7.5,"epss":0.005,"slug":"cve-2026-45783-libp2p-libp2p-kad-dht-disk-exhaustion-via-unvalidated-put-value","title":"libp2p @libp2p/kad-dht Disk Exhaustion via Unvalidated PUT_VALUE Records","severity":"high","exploited":false,"published_at":"2026-06-10T22:16:59.053+00:00","url":"https://junglewise.ai/threats/cve-2026-45783-libp2p-libp2p-kad-dht-disk-exhaustion-via-unvalidated-put-value"},{"cve":"CVE-2026-46679","cvss":7.5,"epss":0.0046,"slug":"cve-2026-46679-libp2p-js-libp2p-memory-exhaustion-in-libp2p-gossipsub","title":"libp2p js-libp2p memory exhaustion in @libp2p/gossipsub","severity":"high","exploited":false,"published_at":"2026-06-10T22:17:00.3+00:00","url":"https://junglewise.ai/threats/cve-2026-46679-libp2p-js-libp2p-memory-exhaustion-in-libp2p-gossipsub"},{"cve":"CVE-2026-86038","cvss":7.5,"epss":0.0019,"slug":"cve-2026-86038-libp2p-gossipsub-message-authentication-bypass-in-rsa-peer-ids","title":"libp2p is a JavaScript implementation of the libp2p networking stack. From 15.0.0 until 16.0.5, @libp2p/gossipsub uses the default StrictSig","severity":"high","exploited":false,"published_at":"2026-09-17T16:18:16.927+00:00","url":"https://junglewise.ai/threats/cve-2026-86038-libp2p-gossipsub-message-authentication-bypass-in-rsa-peer-ids"},{"cvss":7.5,"slug":"libp2p-py-libp2p-dos-via-oversized-yamux-data-frame-16b23450","title":"libp2p py-libp2p DoS via oversized yamux DATA frame","severity":"high","exploited":false,"published_at":"2026-07-24T22:37:17+00:00","url":"https://junglewise.ai/threats/libp2p-py-libp2p-dos-via-oversized-yamux-data-frame-16b23450"},{"cve":"CVE-2026-34219","cvss":5.9,"epss":0.004,"slug":"cve-2026-34219-libp2p-rust-libp2p-denial-of-service-in-gossipsub-heartbeat","title":"libp2p rust-libp2p denial of service in Gossipsub heartbeat","severity":"medium","exploited":false,"published_at":"2026-03-31T16:16:31.92+00:00","url":"https://junglewise.ai/threats/cve-2026-34219-libp2p-rust-libp2p-denial-of-service-in-gossipsub-heartbeat"}],"generated_at":"2026-09-26T09:11:00.170868+00:00","technologies":[{"name":"Libp2p Gossipsub","slug":"gossipsub","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/gossipsub"}]}