CVE-2026-113356
DokuWiki before 2026-07-14c PHP Object Injection via Draft Race Condition
- State
- Published
- Severity
- 7.7 High
- Published
- Oct 20, 2026
- Updated
- Oct 20, 2026
- Reserved
- Oct 20, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.7 High | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
DokuWikiDokuWiki |
|
References
- https://github.com/dokuwiki/dokuwiki/issues/4752issue-tracking
- https://gist.github.com/sebastianosrt/a0c0252ca335e8e8b2c96fecf1f64538exploittechnical-description
- https://github.com/dokuwiki/dokuwiki/commit/1531802afb2ac3eea147a887600fa5750e74e681patch
- DokuWiki release-2026-07-14c Release Notesrelease-notes
- https://github.com/dokuwiki/dokuwiki/blob/b61db59a8091fc992ac02959a9a09b576cc43ce0/inc/Draft.php#L122technical-description
- VulnCheck Advisory: DokuWiki before 2026-07-14c PHP Object Injection via Draft Race Conditionthird-party-advisory
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