CVE-2026-35457

Name: CVE-2026-35457
Creator: NVD / NIST
Published: 2026-04-07T15:17:43.587+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2026-35457 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.2/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

EPSS Probability

0.29%

20.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Protocol	Libp2p	< 0.17.1

References

https://github.com/libp2p/rust-libp2p/security/advisories/GHSA-v5hw-cv9c-rpg7Exploit, Vendor Advisory

Timeline

Published: Apr 7, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-35457?

How severe is CVE-2026-35457?

CVE-2026-35457 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2026-35457?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-35457?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST