SEPTEMBER 17, 2026
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Case File

CVE-2026-43798

CRITICAL · CVSS 9.8 EPSS 0.34% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-20 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

Applications built on swift-nio-ssh are vulnerable to an out-of-bounds stack write due to a crafted SSH message, allowing unauthenticated network attackers to manipulate memory. This could lead to arbitrary code execution or application crashes, posing significant risks to system integrity and availability. Developers and organizations utilizing swift-nio-ssh should prioritize updating to version 0.14.1 to mitigate this risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-43798
Severity
CRITICAL
CVSS
9.8
EPSS
0.34%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)