CVE-2026-113356

HIGH 7.5

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

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502
Vendor	dokuwiki
Product	dokuwiki
Published	Oct 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

DokuWiki / DokuWiki

0 < 2026-07-14c

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/dokuwiki/dokuwiki/issues/4752 gist.github.com: https://gist.github.com/sebastianosrt/a0c0252ca335e8e8b2c96fecf1f64538 github.com: https://github.com/dokuwiki/dokuwiki/commit/1531802afb2ac3eea147a887600fa5750e74e681 github.com: https://github.com/dokuwiki/dokuwiki/releases/tag/release-2026-07-14c github.com: https://github.com/dokuwiki/dokuwiki/blob/b61db59a8091fc992ac02959a9a09b576cc43ce0/inc/Draft.php#L122 vulncheck.com: https://www.vulncheck.com/advisories/dokuwiki-before-2026-07-14c-php-object-injection-via-draft-race-condition

Credits

sebsrt