CVE-2026-55199

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

June 21, 2026

Last Seen

August 20, 2026

API

Exploited in Wild

—

Ransomware Use

—

Public Exploits

—

Attack Vector

—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Multiple High-Risk Vulnerabilities Discovered in Gentoo Linux Packages74.0

On August 20, 2026, Gentoo Linux announced multiple high-severity vulnerabilities affecting various packages, including libssh2, acl, attr, quickjs-ng, and Emacs. The vulnerabilities allow for high remote code execution risks, impacting users running these packages. Specific CVEs include CVE-2025-15...

Critical Vulnerabilities in libssh2 Enable Remote Code Execution and DoS Attacks67.5

Two critical vulnerabilities have been discovered in libssh2, a widely used SSH library, affecting versions up to 1.11.1. The first vulnerability, CVE-2026-55200, allows remote code execution through crafted SSH packets, with a CVSS score of 9.2. The second vulnerability, CVE-2026-55199, enables den...