In Cacti through 1.2.6, authenticated users may bypass authorization checks (for viewing a graph) via a direct graph_json.php request with a modified local_graph_id parameter.
https://www.debian.org/security/2020/dsa-4604
https://security.gentoo.org/glsa/202003-40
https://seclists.org/bugtraq/2020/Jan/25
https://github.com/Cacti/cacti/issues/2964
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00048.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00001.html