{"id":"PYSEC-2026-734","summary":"Plone CMS Improper Session Management","details":"Plone CMS before 3 places a base64 encoded form of the username and password in the `__ac` cookie for all user accounts, which makes it easier for remote attackers to obtain access by sniffing the network.","aliases":["CVE-2008-1394","GHSA-mq3q-jjph-rp5p"],"modified":"2026-07-06T08:00:50.589614011Z","published":"2026-07-02T14:13:20.849677Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2008-1394"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/41425"},{"type":"PACKAGE","url":"https://github.com/plone/Plone"},{"type":"WEB","url":"http://plone.org/about/security/overview/security-overview-of-plone"},{"type":"WEB","url":"http://securityreason.com/securityalert/3754"},{"type":"WEB","url":"http://www.procheckup.com/Hacking_Plone_CMS.pdf"},{"type":"WEB","url":"http://www.securityfocus.com/archive/1/489544/100/0/threaded"},{"type":"PACKAGE","url":"https://pypi.org/project/plone"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-mq3q-jjph-rp5p"}],"affected":[{"package":{"name":"plone","ecosystem":"PyPI","purl":"pkg:pypi/plone"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0"}]}],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/plone/PYSEC-2026-734.yaml"}}],"schema_version":"1.7.5"}