{"id":"UBUNTU-CVE-2026-15743","details":"Catalyst::Plugin::Static::Simple versions through 0.38 for Perl mark responses as publicly cacheable. The _serve_static method always sets the Cache-Control header to \"public\", with no means of overriding it.  This advises proxies that the content may be stored in a shared cache, and may be reused in responses to requests from other users. (This includes requests with an Authorization header.) Configuring the expires time to \"0\" to disable caching, as documented, is ignored.","modified":"2026-09-02T19:39:46.345303981Z","published":"2026-08-20T19:16:00Z","upstream":["CVE-2026-15743"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-15743"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-15743"},{"type":"REPORT","url":"https://lists.security.metacpan.org/cve-announce/msg/42860527/"},{"type":"REPORT","url":"https://github.com/perl-catalyst/Catalyst-Plugin-Static-Simple/pull/3"},{"type":"REPORT","url":"https://security.metacpan.org/patches/C/Catalyst-Plugin-Static-Simple/0.38/CVE-2026-15743-r1.patch"}],"affected":[{"package":{"name":"libcatalyst-plugin-static-simple-perl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-plugin-static-simple-perl?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.33-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcatalyst-plugin-static-simple-perl","binary_version":"0.33-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15743.json"}},{"package":{"name":"libcatalyst-plugin-static-simple-perl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-plugin-static-simple-perl?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.33-2","0.34-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.34-1","binary_name":"libcatalyst-plugin-static-simple-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15743.json"}},{"package":{"name":"libcatalyst-plugin-static-simple-perl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-plugin-static-simple-perl?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.36-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcatalyst-plugin-static-simple-perl","binary_version":"0.36-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15743.json"}},{"package":{"name":"libcatalyst-plugin-static-simple-perl","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-plugin-static-simple-perl?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.36-1","0.37-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcatalyst-plugin-static-simple-perl","binary_version":"0.37-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15743.json"}},{"package":{"name":"libcatalyst-plugin-static-simple-perl","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-plugin-static-simple-perl?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.37-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcatalyst-plugin-static-simple-perl","binary_version":"0.37-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15743.json"}},{"package":{"name":"libcatalyst-plugin-static-simple-perl","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-plugin-static-simple-perl?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.37-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcatalyst-plugin-static-simple-perl","binary_version":"0.37-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15743.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}