{"id":"PYSEC-2026-732","summary":"Plone credentials stored in session cookie","details":"Plone CMS 3.1.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.","aliases":["CVE-2008-1396","GHSA-hjp5-hv33-q58g"],"modified":"2026-07-06T08:00:51.697864215Z","published":"2026-07-02T14:13:20.996430Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2008-1396"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/41421"},{"type":"WEB","url":"https://github.com/plone/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-hjp5-hv33-q58g"}],"affected":[{"package":{"name":"plone","ecosystem":"PyPI","purl":"pkg:pypi/plone"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.1.7"}]}],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/plone/PYSEC-2026-732.yaml"}}],"schema_version":"1.7.5"}