High 7.5Published Oct 20, 2026

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

Updated under an hour ago (Oct 28, 2026, 6:30 AM ET)

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It affects DokuWiki. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.54%, higher than 45% of scored CVEs.

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Exploited in the last 30 days

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: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-502
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.54% (percentile 45)
Assigned by: VulnCheck
NVD analysis: Awaiting Analysis
Record last updated: Oct 20, 2026
First seen by InfoSec Signals: Oct 20, 2026

Affected products

Affected products

DokuWiki DokuWiki dokuwiki:dokuwiki (from the name)	before 2026-07-14c	CNA record

References

References

https://github.com/dokuwiki/dokuwiki/issues/4752	issue-tracking
https://gist.github.com/sebastianosrt/a0c0252ca335e8e8b2c96fecf1f64538	exploit, technical-description
https://github.com/dokuwiki/dokuwiki/commit/1531802afb2ac3eea147a887600fa5750e74e681	patch
https://github.com/dokuwiki/dokuwiki/releases/tag/release-2026-07-14c	release-notes
https://github.com/dokuwiki/dokuwiki/blob/b61db59a8091fc992ac02959a9a09b576cc43ce0/inc/Draft.php#L122	technical-description
https://www.vulncheck.com/advisories/dokuwiki-before-2026-07-14c-php-object-injection-via-draft-race-condition	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.