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Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache HTTP Server's mod_session_cookie module.
When SessionCookieRemove changes across internal redirects, the session cookie may still be passed to a backend server.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade apache2 | Oct 5, 2026 | Oct 1, 2026 |
| Amazon Linux Ami 2 | — | Upgrade httpd-develUpgrade mod_sslUpgrade httpd-toolsUpgrade httpdUpgrade mod_sessionUpgrade httpd-manualUpgrade mod_proxy_htmlUpgrade httpd-debuginfoUpgrade mod_http2Upgrade mod_ldapUpgrade httpd-filesystemUpgrade mod_md | Oct 19, 2026 | Oct 19, 2026 |
| Amazon_linux_2023 | — | Upgrade httpd-debuginfoUpgrade httpd-filesystemUpgrade mod_http2Upgrade mod_proxy_htmlUpgrade mod_session-debuginfoUpgrade mod_luaUpgrade mod_sslUpgrade mod_proxy_html-debuginfoUpgrade mod_sessionUpgrade httpd-tools-debuginfoUpgrade mod_ldapUpgrade mod_ldap-debuginfoUpgrade httpd-core-debuginfoUpgrade httpdUpgrade mod_http2-debuginfoUpgrade mod_ssl-debuginfoUpgrade httpd-toolsUpgrade httpd-debugsourceUpgrade httpd-develUpgrade mod_lua-debuginfoUpgrade httpd-coreUpgrade httpd-manual | Oct 13, 2026 | Oct 1, 2026 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Oct 2, 2026 | Oct 1, 2026 |
| Debian | — | Upgrade apache2 | Oct 20, 2026 | Oct 1, 2026 |
| Freebsd | — | Upgrade apache24 | Oct 5, 2026 | Oct 1, 2026 |
| Redhat_linux | — | No solution exists | Oct 5, 2026 | Oct 1, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2026 | Oct 1, 2026 |
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