CVE•Published 2026-08-20•Modified 2026-09-03•1 article on news•4 live references•NVD data
CVE-2026-43798Apple · Swiftnio_ssh
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
26
Exploit Prediction Scoring System · top 74% of all CVEs
Weaknesses (CWE)
Description
A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh. This vulnerability is addressed in swift-nio-ssh version 0.14.1.
Timeline
Published 2026-08-20
Modified 2026-09-03
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-2026-43798Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Apple Swiftnio Ssh"All exposed Apple Swiftnio Ssh instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Swiftnio Ssh"HTTP body or banner mentions "Swiftnio Ssh" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-43798Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-43798Censys host search filtered to this CVE id.
grep.app
CVE-2026-43798Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-43798GitHub code search for direct mentions.
Google dork
"CVE-2026-43798" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (8)
CVE-2026-437988 repos
Threekiii/Awesome-POCJava
一个漏洞 PoC 知识库。A knowledge base for vulnerability PoCs(Proof of Concept), with 1k+ vulnerabilities.
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
N1NJ10/Offsec-Practice-Labsunknown
Offsec Practice Labs is a curated training arsenal for hands-on prep across eCPPTv3, OSCP, and CPTS.
StefanGrimminck/zgrab2-configurationsunknown
A repository for possible zgrab2 configurations
J1ezds/Vulnerability-Wiki-pageHTML
这是一个每天同步Vulnerability-Wiki中docs-base中内容的项目
GODofExploit/exploit-arsenalPython
420 standalone Python-3 (stdlib-only) CVE exploits, each live-validated end-to-end against real vulnerable software with a write-up and a real-run screenshot. 102 in the CISA KEV c…
marvang/chapPython
Research artifact. Autonomous offensive security on long-horizon tasks with CHAP: Context Handoff for Autonomous Penetration testing. Includes up-to-date and improved AutoPenBench …
K3ysTr0K3R/K3ysTr0K3Runknown
Config files for my GitHub profile.