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CVE-2026-59797 is an improper privilege management vulnerability in Apache HTTP Server mod_ssl affecting versions 2.4.0 through 2.4.68. The flaw involves SSLRequire and file-related ap_expr expressions used in per-directory configuration. Improper privilege handling during expression evaluation may allow access-control decisions to be bypassed or improperly influenced. A client certificate with particular attributes may trigger an SSLRequire access-control bypass. Apache HTTP Server 2.4.69 contains the fix.
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No public exploit code observed for this vulnerability.
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An improper privilege management vulnerability in Apache HTTP Server. The advisory lists versions 2.4.0 through versions before 2.4.69 as affected and recommends upgrading to 2.4.69 or later.
Improper privilege management in Apache HTTP Server's mod_ssl involving SSLRequire and file-related expressions. This CVE is the stated source of the plugin's critical CVSS score.
An access-control bypass vulnerability in Apache mod_ssl affecting SSLRequire expressions, particularly relevant to mutual-TLS deployments.
An Apache HTTP Server vulnerability used as the plugin's CVSS score source. Its CVSS v3 vector indicates network access, low attack complexity, no required privileges or user interaction, and high confidentiality, integrity, and availability impacts. The underlying flaw is not described.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.