CVE•Published 2026-04-07•Modified 2026-04-24•1 article on news•6 live references•NVD data
CVE-2026-35457Protocol · Libp2p
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS percentile
—
Weaknesses (CWE)
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.
Timeline
Published 2026-04-07
Modified 2026-04-24
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-35457Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Protocol Libp2p"All exposed Protocol Libp2p instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Libp2p"HTTP body or banner mentions "Libp2p" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-35457Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-35457Censys host search filtered to this CVE id.
grep.app
CVE-2026-35457Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-35457GitHub code search for direct mentions.
Google dork
"CVE-2026-35457" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-35457 on GitHub.