Vulnerability · 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 clas

Published Oct 20, 2026 · catalog updated Oct 23, 2026 · DokuWiki before 2026-07-14c contains

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-113356. EPSS is 0.54%. Act only if a listed version of DokuWiki before 2026-07-14c contains is installed.

Gaps on this record

The stored product name is a package slug. The name on this page is taken from the title (DokuWiki before 2026-07-14c contains).
No vendor fix or required action is stored. Compare the linked advisory before you change production.

Severity: High7.7
Known exploitation: Not in CISA/VulnCheck KEV
EPSS: 0.54%
Remediation: Advisory link
Affected products: Debian:12 dokuwiki · Debian:13 dokuwiki · Debian:14 dokuwiki

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

Debian:12 dokuwiki0.0.20220731.a-2, 0.0.20220731.a-3, 2024-02-06b+dfsg-0exp1
Debian:13 dokuwiki2024-02-06b+dfsg-9, 2025-05-14+dfsg-1, 2025-05-14.a+dfsg-1
Debian:14 dokuwiki0 → 2026-07-14.c+dfsg-1

How to fix CVE-2026-113356

Upgrade
CVE-2026-113356 lists a fix boundary at 2026-07-14.c+dfsg-1. Compare the installed build with that boundary before you change production.
Version check
Seen in 0.0.20220731.a-2 · 2 other packages on the advisory
Advisory
Open the cve_org record and follow its fix.
Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-113356. EPSS is 0.54%. Act only if a listed version of DokuWiki before 2026-07-14c contains is installed.

Which versions are affected?

Compare what you have installed with 0.0.20220731.a-2, 0.0.20220731.a-3, 2024-02-06b+dfsg-0exp1, 2024-02-06b+dfsg-9, 2025-05-14+dfsg-1, 2025-05-14.a+dfsg-1, 0 → 2026-07-14.c+dfsg-1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 0.54%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

Repository · github.com

Timeline

Detection, updates, and resolution for this record.

Oct 20, 2026 · NIST NVD
Detected
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.
Oct 20, 2026 · NIST NVD
Updated
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.
Oct 20, 2026 · NIST NVD
Updated
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.
Oct 23, 2026 · OpenSSF OSV / OSV Scanner
Fix available
dokuwiki fixed in 2026-07-14.c+dfsg-1
Oct 23, 2026 · OpenSSF OSV / OSV Scanner
Fix available
dokuwiki fixed in 2026-07-14.c+dfsg-1
Oct 23, 2026 · OpenSSF OSV / OSV Scanner
Updated
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.

Sources

CVE.orgVulnerability recordCVE-2026-113356
Official CVE identifier
cve.org
FIRST EPSSExploitation probabilityCVE-2026-113356
30-day exploitation probability 0.54%
first.org
NIST NVDVulnerability recordCVE-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. Authenticated users with edit rights can race concurrent draft rewrites to splice serialized da
nvd.nist.gov
OpenSSF OSV / OSV ScannerPackage advisoryDEBIAN-CVE-2026-113356
osv.dev
Trivy Vulnerability DBPackage advisoryDEBIAN-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. Authenticated users with edit rights can race concurrent draft rewrites to splice serialized da
osv.dev

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

FIRST EPSSNov 6, 2026
Trivy Vulnerability DBOct 23, 2026
OpenSSF OSV / OSV ScannerOct 23, 2026
CVE.orgOct 21, 2026
NIST NVDOct 21, 2026

Priority score

24/100

Evidence confidence: High

Several independent sources name this vulnerability.

Confirmed exploitation0/30
EPSS probability1/20
CVSS severity12/15
Public exploit0/10
Internet exposure6/10
Product prevalence5/5
Detection0/5
Threat research0/5

Decision signals

Four separate signals — do not infer one from another.

High

CVSS severity
7.7 v4.0
Technical impact. Separate from exploitation likelihood.
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/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:
EPSS probability
0.54% · p45.33%
Estimated probability of exploitation within 30 days (FIRST).
Known exploitation
No verified KEV listing
Evidence from CISA KEV or VulnCheck KEV only — not from EPSS alone.
Patch availability
Advisory link
A patch or advisory reference is linked. Open the original publisher for availability by product version.

Stacks

Debian Debian 12 Debian 13 Debian 14 Linux PHP

Weakness

CWE-502
Deserialization of Untrusted Data
MITRE definition

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