High severity · published Oct 20, 2026
CVE-2026-113356
DokuWiki before 2026-07-14c PHP Object Injection via Draft Race Condition
7.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DO
DokuWiki · DokuWiki
before 2026-07-14c · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-113356
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-113356
gist.github.com
https://gist.github.com/sebastianosrt/a0c0252ca335e8e8b2c96fecf1f64538
github.com
https://github.com/dokuwiki/dokuwiki/blob/b61db59a8091fc992ac02959a9a09b576cc43ce0/inc/Draft.php#L122
github.com
https://github.com/dokuwiki/dokuwiki/commit/1531802afb2ac3eea147a887600fa5750e74e681
github.com
https://github.com/dokuwiki/dokuwiki/issues/4752
github.com
https://github.com/dokuwiki/dokuwiki/releases/tag/release-2026-07-14c
www.vulncheck.com
https://www.vulncheck.com/advisories/dokuwiki-before-2026-07-14c-php-object-injection-via-draft-race-condition
More from DokuWiki
9.6
CVE-2018-15474
CSV Injection (aka Excel Macro Injection or Formula Injection) in /lib/plugins/usermanager/admin.php in DokuWiki 2018-04-22a and earlier allows remote attackers to exfiltrate…
8.6
CVE-2017-18123
The call parameter of /lib/exe/ajax.php in DokuWiki through 2017-02-19e does not properly encode user input, which leads to a reflected file download vulnerability, and allows…
8.6
CVE-2016-7964
The sendRequest method in HTTPClient Class in file /inc/HTTPClient.php in DokuWiki 2016-06-26a and older, when media file fetching is enabled, has no way to restrict access to…
6.5
CVE-2016-7965
DokuWiki 2016-06-26a and older uses $_SERVER[HTTP_HOST] instead of the baseurl setting as part of the password-reset URL
6.1
CVE-2022-3123
Cross-site Scripting (XSS) - Reflected in GitHub repository splitbrain/dokuwiki prior to 2022-07-31a