PYSEC-2026-668

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    PYSEC-2026-668

    Published: 2 Jul 2026Last Modified: 6 Jul 2026

    Summary: MoinMoin Directory traversal vulnerability

    Details: Directory traversal vulnerability in MoinMoin 1.5.8 and earlier allows remote attackers to overwrite arbitrary files via a `..` (dot dot) in the MOIN_ID user ID in a cookie for a userform action. NOTE: this issue can be leveraged for PHP code execution via the quicklinks parameter. The issue has been fixed on [e69a16b6e630](http://hg.moinmo.in/moin/1.5/rev/e69a16b6e630).

    References: https://nvd.nist.gov/vuln/detail/CVE-2008-0782, https://exchange.xforce.ibmcloud.com/vulnerabilities/39837, https://usn.ubuntu.com/716-1, https://www.exploit-db.com/exploits/4957, http://hg.moinmo.in/moin/1.5/rev/e69a16b6e630, http://secunia.com/advisories/29010, http://secunia.com/advisories/29262, http://secunia.com/advisories/29444, http://secunia.com/advisories/33755, http://www.attrition.org/pipermail/vim/2008-January/001890.html, http://www.debian.org/security/2008/dsa-1514, http://www.gentoo.org/security/en/glsa/glsa-200803-27.xml, http://www.securityfocus.com/bid/27404, http://www.vupen.com/english/advisories/2008/0569/references, https://pypi.org/project/moin, https://github.com/advisories/GHSA-6766-r2rx-mfw9

    Affected packages

    Package

    Name: moin

    Purl: pkg:pypi/moin

    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-2026-668 | CVE-DB