PYSEC-2026-732

    Dashboard / Vulnerabilities / PYSEC-2026-732

    PYSEC-2026-732

    Published: 2 Jul 2026Last Modified: 6 Jul 2026

    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.

    References: https://nvd.nist.gov/vuln/detail/CVE-2008-1396, https://exchange.xforce.ibmcloud.com/vulnerabilities/41421, https://github.com/plone/Plone, http://securityreason.com/securityalert/3754, http://www.procheckup.com/Hacking_Plone_CMS.pdf, http://www.securityfocus.com/archive/1/489544/100/0/threaded, https://pypi.org/project/plone, https://github.com/advisories/GHSA-hjp5-hv33-q58g

    Affected packages

    Package

    Name: plone

    Purl: pkg:pypi/plone

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2026-732 | CVE-DB