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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
DokuWiki DokuWiki unaffected
Version Status Constraints
0 affected < 2026-07-14c

No data.

No data.

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Project Subscriptions

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
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.
Title DokuWiki before 2026-07-14c PHP Object Injection via Draft Race Condition
First Time appeared Dokuwiki
Dokuwiki dokuwiki
Weaknesses CWE-502
CPEs cpe:2.3:a:dokuwiki:dokuwiki:*:*:*:*:*:*:*:*
Vendors & Products Dokuwiki
Dokuwiki dokuwiki
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7.7, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-20T16:06:40.238Z

Reserved: 2026-10-20T01:07:47.423Z

Link: CVE-2026-113356

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-20T11:17:20.143

Modified: 2026-10-20T11:17:20.143

Link: CVE-2026-113356

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T15:00:19Z

Weaknesses