CVE-2026-35457Disclosure(protocol / libp2p)

LOWCVSS 8.2 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Patch protocol libp2p systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

libp2p-rust is the official rust language Implementation of the libp2p networking stack. Prior to 0.17.1, the rendezvous server stores pagination cookies without bounds. An unauthenticated peer can repeatedly issue DISCOVER requests and force unbounded memory growth. This vulnerability is fixed in 0.17.1.

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0.5/ 10 priority

Sources & remediation

Exploit / PoC references

https://github.com/libp2p/rust-libp2p/security/advisories/GHSA-v5hw-cv9c-rpg7

Weakness type (CWE)

CWE-770

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

libp2p

Threat summary

Patch or workaround signal is available
3 mentions across 2 observed days
Momentum state: stable

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 2 signals
Disclosure: 2 classified signals
General: 1 classified signal
Peaked at 2 mentions on most recent observed day (2026-04-07)
3 total mentions across 2 days

Affected systems

Vendors

protocol

Products

libp2p

Deep dive

Activity timeline3 mentions / 2d

Signal classification2 categories

Disclosure

266.7%

General

133.3%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-04-05	1	Disclosure1
2026-04-07	2	Disclosure1General1

Full discourse3 posts

Infoflowcloud@infoflowcloud184d
General
🚨*CVE* CVE-2026-35457 libp2p-rust is the official rust language Implementation of the libp2p networking stack. Prior to 0.17.1, the rendezvous server stores pagination cookies without boun… https://www.cve.org/CVERecord?id=CVE-2026-35457 ----- Traducción: CVE-2026-35457 lib… http://infoflow.cloud`
Post summary
The post merely references a CVE record for libp2p-rust with minimal details, lacking any PoC, exploit, patch, or active exploitation evidence.
0000032
67 followersView on X
CVE@CVEnew184d
Disclosure
CVE-2026-35457 libp2p-rust is the official rust language Implementation of the libp2p networking stack. Prior to 0.17.1, the rendezvous server stores pagination cookies without boun… https://www.cve.org/CVERecord?id=CVE-2026-35457
Post summary
The snippet announces CVE-2026-35457, describing a flaw in libp2p-rust’s rendezvous server where pagination cookies are mishandled before v0.17.1, but provides no PoC, exploit, active‑use, or patch information.
00000208
57.0K followersView on X
PulsePatch.io@pulsepatchio186d
Disclosure
A remote memory exhaustion vulnerability (CVE-2026-35457) in `libp2p-rendezvous` can lead to denial of service. Monitor for official patches. #libp2p #DoS #infosec https://www.pulsepatch.io/posts/cve-2026-35457-libp2p-rendezvous-memory-exhaustion
Post summary
The post announces a remote memory exhaustion denial‑of‑service vulnerability (CVE‑2026‑35457) in libp2p‑rendezvous and advises monitoring for official vendor patches.
0000039
4 followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	protocol	libp2p	-	rust	-

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