CVE-2026-66033

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

September 3, 2026

Last Seen

September 3, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical libssh2 Vulnerabilities Allow Remote Code Execution and DoS60.6

Multiple vulnerabilities were discovered in libssh2, affecting its handling of SFTP server responses and cipher negotiations. These flaws could allow remote attackers controlling an SSH server to crash libssh2 or execute arbitrary code. The vulnerabilities are identified as CVE-2026-66032, CVE-2026-...