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CVE-2026-113356

CVE-2026-113356 · DokuWiki before 2026-07-14c PHP Object Injection via Draft Race Condition

This page contains facts from public vulnerability sources. Check the original advisory before updating.

DokuWiki before 2026-07-14c contains a PHP object injection vulnerability in Draft::getDraftText() that passes draft file contents to unserialize() without restricting allowed classes. Authenticated users with edit rights can race concurrent draft rewrites to splice serialized data, instantiating gadgets like MemoryIndex or Installer for arbitrary file write, deletion, and code execution.

CVSS 7.7 · High · EPSS 0.5% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • dokuwiki

    Versions
    • ≥ 0, < 2026-07-14c: Affected (custom)

    Update to 2026-07-14c

  • dokuwiki Debian:12

    Versions
    • 0.0.20220731.a-2
    • 0.0.20220731.a-3
    • 2024-02-06b+dfsg-0exp1
    • 2024-02-06b+dfsg-0exp2
    • 2024-02-06b+dfsg-1
    • 2024-02-06b+dfsg-2
    • 2024-02-06b+dfsg-3
    • 2024-02-06b+dfsg-4
    • 2024-02-06b+dfsg-5
    • 2024-02-06b+dfsg-6
    • 2024-02-06b+dfsg-7
    • 2024-02-06b+dfsg-8
    • 2024-02-06b+dfsg-9
    • 2024-02-06b-0exp1
    • 2024-02-06b-0exp2
    • 2024-02-06b-0exp3
    • 2024-02-06b-0exp4
    • 2025-05-14+dfsg-1
    • 2025-05-14.a+dfsg-1
    • 2025-05-14.a+dfsg-2
    • 2025-05-14.a+dfsg-3
    • 2025-05-14.a+dfsg-4
    • 2025-05-14.b+dfsg-1
    • 2025-05-14.b+dfsg-2
    • 2025-05-14.b+dfsg-3
    • 2025-05-14.b+dfsg-4
    • 2025-05-14.b+dfsg-5
    • 2025-05-14.b+dfsg-6
    • 2026-07-14+dfsg-1
    • 2026-07-14.a+dfsg-1
    • 2026-07-14.a+dfsg-2
    • 2026-07-14.a+dfsg-3
    • 2026-07-14.c+dfsg-1
    • 2026-07-14.c+dfsg-2
    • 2026-07-14.c+dfsg-3
    • 2026-07-14a+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dokuwiki Debian:13

    Versions
    • 2024-02-06b+dfsg-9
    • 2025-05-14+dfsg-1
    • 2025-05-14.a+dfsg-1
    • 2025-05-14.a+dfsg-2
    • 2025-05-14.a+dfsg-3
    • 2025-05-14.a+dfsg-4
    • 2025-05-14.b+dfsg-1
    • 2025-05-14.b+dfsg-2
    • 2025-05-14.b+dfsg-3
    • 2025-05-14.b+dfsg-4
    • 2025-05-14.b+dfsg-5
    • 2025-05-14.b+dfsg-6
    • 2026-07-14+dfsg-1
    • 2026-07-14.a+dfsg-1
    • 2026-07-14.a+dfsg-2
    • 2026-07-14.a+dfsg-3
    • 2026-07-14.c+dfsg-1
    • 2026-07-14.c+dfsg-2
    • 2026-07-14.c+dfsg-3
    • 2026-07-14a+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dokuwiki Debian:14

    Versions
    • 2024-02-06b+dfsg-9
    • 2025-05-14+dfsg-1
    • 2025-05-14.a+dfsg-1
    • 2025-05-14.a+dfsg-2
    • 2025-05-14.a+dfsg-3
    • 2025-05-14.a+dfsg-4
    • 2025-05-14.b+dfsg-1
    • 2025-05-14.b+dfsg-2
    • 2025-05-14.b+dfsg-3
    • 2025-05-14.b+dfsg-4
    • 2025-05-14.b+dfsg-5
    • 2025-05-14.b+dfsg-6
    • 2026-07-14+dfsg-1
    • 2026-07-14.a+dfsg-1
    • 2026-07-14.a+dfsg-2
    • 2026-07-14.a+dfsg-3
    • 2026-07-14a+dfsg-1
    Affected ranges
    • ECOSYSTEM: < 2026-07-14.c+dfsg-1

    Update to 2026-07-14.c+dfsg-1

  • dokuwiki Ubuntu:16.04:LTS

    Versions
    • 0.0.20140929.d-1
    • 0.0.20140929.d-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dokuwiki Ubuntu:18.04:LTS

    Versions
    • 0.0.20160626.a-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dokuwiki Ubuntu:20.04:LTS

    Versions
    • 0.0.20180422.a-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dokuwiki Ubuntu:22.04:LTS

    Versions
    • 0.0.20180422.a-2.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dokuwiki Ubuntu:24.04:LTS

    Versions
    • 0.0.20220731.a-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dokuwiki Ubuntu:26.10

    Versions
    • 2025-05-14.b+dfsg-5
    • 2025-05-14.b+dfsg-6
    • 2026-07-14.a+dfsg-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dokuwiki Ubuntu:26.04:LTS

    Versions
    • 2024-02-06b+dfsg-9
    • 2025-05-14.a+dfsg-4
    • 2025-05-14.b+dfsg-1
    • 2025-05-14.b+dfsg-2
    • 2025-05-14.b+dfsg-3
    • 2025-05-14.b+dfsg-4
    • 2025-05-14.b+dfsg-5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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