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CVE-2026-113356

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

7.7 HighFix available

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 profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.54%Unchanged since Oct 21, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.7

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

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.

Record
CVE-2026-113356
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
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02
EUVDEUVD-2026-104927 7.7

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.

Record
EUVD-2026-104927
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
Updated
2026-11-02
GitHub AdvisoriesGHSA-9xhj-2fcr-x9j8 7.7

DokuWiki before 2026-07-14c contains a PHP object injection vulnerability in Draft::getDraftText(...

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.

Record
GHSA-9xhj-2fcr-x9j8
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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02
NVD 7.7

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.

Record
CVE-2026-113356
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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02
OSV 7.7

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

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.

Record
CVE-2026-113356
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
Weakness
CWE-502
Updated
2026-11-02
OSVDEBIAN-CVE-2026-113356 7.7

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.

Record
DEBIAN-CVE-2026-113356
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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
OSVUBUNTU-CVE-2026-113356 7.7

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.

Record
UBUNTU-CVE-2026-113356
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
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
dokuwiki
Debian:12
 All versions, plus listed versions
0.0.20220731.a-20.0.20220731.a-32024-02-06b+dfsg-0exp12024-02-06b+dfsg-0exp22024-02-06b+dfsg-1
Show 31 moreShow less
2024-02-06b+dfsg-22024-02-06b+dfsg-32024-02-06b+dfsg-42024-02-06b+dfsg-52024-02-06b+dfsg-62024-02-06b+dfsg-72024-02-06b+dfsg-82024-02-06b+dfsg-92024-02-06b-0exp12024-02-06b-0exp22024-02-06b-0exp32024-02-06b-0exp42025-05-14+dfsg-12025-05-14.a+dfsg-12025-05-14.a+dfsg-22025-05-14.a+dfsg-32025-05-14.a+dfsg-42025-05-14.b+dfsg-12025-05-14.b+dfsg-22025-05-14.b+dfsg-32025-05-14.b+dfsg-42025-05-14.b+dfsg-52025-05-14.b+dfsg-62026-07-14+dfsg-12026-07-14.a+dfsg-12026-07-14.a+dfsg-22026-07-14.a+dfsg-32026-07-14.c+dfsg-12026-07-14.c+dfsg-22026-07-14.c+dfsg-32026-07-14a+dfsg-1
 None known
dokuwiki
Debian:13
 All versions, plus listed versions
2024-02-06b+dfsg-92025-05-14+dfsg-12025-05-14.a+dfsg-12025-05-14.a+dfsg-22025-05-14.a+dfsg-3
Show 15 moreShow less
2025-05-14.a+dfsg-42025-05-14.b+dfsg-12025-05-14.b+dfsg-22025-05-14.b+dfsg-32025-05-14.b+dfsg-42025-05-14.b+dfsg-52025-05-14.b+dfsg-62026-07-14+dfsg-12026-07-14.a+dfsg-12026-07-14.a+dfsg-22026-07-14.a+dfsg-32026-07-14.c+dfsg-12026-07-14.c+dfsg-22026-07-14.c+dfsg-32026-07-14a+dfsg-1
 None known
dokuwiki
Debian:14
 before 2026-07-14.c+dfsg-1, plus listed versions
2024-02-06b+dfsg-92025-05-14+dfsg-12025-05-14.a+dfsg-12025-05-14.a+dfsg-22025-05-14.a+dfsg-3
Show 12 moreShow less
2025-05-14.a+dfsg-42025-05-14.b+dfsg-12025-05-14.b+dfsg-22025-05-14.b+dfsg-32025-05-14.b+dfsg-42025-05-14.b+dfsg-52025-05-14.b+dfsg-62026-07-14+dfsg-12026-07-14.a+dfsg-12026-07-14.a+dfsg-22026-07-14.a+dfsg-32026-07-14a+dfsg-1
2026-07-14.c+dfsg-1
dokuwiki
Ubuntu:16.04:LTS
 All versions, plus listed versions
0.0.20140929.d-10.0.20140929.d-1ubuntu1
 None known
dokuwiki
Ubuntu:18.04:LTS
 All versions, plus listed versions
0.0.20160626.a-2
 None known
dokuwiki
Ubuntu:20.04:LTS
 All versions, plus listed versions
0.0.20180422.a-2
 None known
dokuwiki
Ubuntu:22.04:LTS
 All versions, plus listed versions
0.0.20180422.a-2.1
 None known
dokuwiki
Ubuntu:24.04:LTS
 All versions, plus listed versions
0.0.20220731.a-2
 None known
dokuwiki
Ubuntu:26.10
 All versions, plus listed versions
2025-05-14.b+dfsg-52025-05-14.b+dfsg-62026-07-14.a+dfsg-2
 None known
dokuwiki
Ubuntu:26.04:LTS
 All versions, plus listed versions
2024-02-06b+dfsg-92025-05-14.a+dfsg-42025-05-14.b+dfsg-12025-05-14.b+dfsg-22025-05-14.b+dfsg-32025-05-14.b+dfsg-42025-05-14.b+dfsg-5
 None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-113356 is a high vulnerability (CVSS 7.7) in Dokuwiki, published October 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. Fixed in dokuwiki 2026-07-14.c+dfsg-1.

References

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