Secure Cyber Vulnerability Management

23/10/2026
Zero-Day Initiative

ZDI-26-789: OpenSSL CMP Use of Externally-Controlled Format String Information Disclosure Vulnerability

by Deepanshu Jha
This vulnerability allows remote attackers to disclose sensitive information on affected installations of OpenSSL. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.5. The following CVEs are assigned: CVE-2026-63073.

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