CVE-2026-113356
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 4.0
- 7.7 HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.54% probability · 45th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Source
- disclosure@vulncheck.com
EPSS moved from 0.5% on 21 October 2026 to 0.5% on 26 October 2026.
References
- https://gist.github.com/sebastianosrt/a0c0252ca335e8e8b2c96fecf1f64538
- https://github.com/dokuwiki/dokuwiki/blob/b61db59a8091fc992ac02959a9a09b576cc43ce0/inc/Draft.php#L122
- https://github.com/dokuwiki/dokuwiki/commit/1531802afb2ac3eea147a887600fa5750e74e681
- https://github.com/dokuwiki/dokuwiki/issues/4752
- https://github.com/dokuwiki/dokuwiki/releases/tag/release-2026-07-14c
- https://www.vulncheck.com/advisories/dokuwiki-before-2026-07-14c-php-object-injection-via-draft-race-condition
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.