CVE-2026-46679Disclosure

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

libp2p is a JavaScript Implementation of libp2p networking stack. Prior to version 15.0.23, three cooperating omissions in @libp2p/gossipsub allow an unauthenticated single peer to exhaust the Node.js heap of any gossipsub node with default options. This issue has been patched in version 15.0.23.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-20CWE-400CWE-401

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://www.valtersit.com/cve/CVE-2026-46679

Full discourse1 post

Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters137d
Disclosure
CVE-2026-46679 - Supply chain attack in Libp2P. Unauthenticated single peer can exhaust Node.js heap via gossipsub. CVSS 7.5. No patch available yet. Monitor and assess impact. #CVE #Libp2P #infosec #CVEAlert More FREE information and Patches: https://www.valtersit.com/cve/CVE-2026-46679
Post summary
CVE-2026-46679 is a newly disclosed supply-chain vulnerability in Libp2P that allows an unauthenticated peer to exhaust Node.js memory via gossipsub; no patch or PoC is currently available.
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