CVE-2026-26477 | CVE Tracker

Description

An issue in Dokuwiki v.2025-05-14b "Librarian" [56.2] allows a remote attacker to cause a denial of service via the media_upload_xhr() function in the media.php file

Scores

CVSS scores of CVE-2026-26477, by who scored it
Scored by	CVSS	Score	Vector
mitreCNA (assigner)	3.1	Medium4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA-ADPADP (enrichment)	3.1	High7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Analyzed	3.1	Medium4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS (exploitation in 30 days): 0.46% · top 60% of all CVEs (6 Nov 2026)
CISA SSVC: Exploitation: poc · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

CWE-770 Allocation of Resources Without Limits or Throttling (opens in a new tab)All about CWE-770 and its CVEs
CWE-400 Uncontrolled Resource Consumption (opens in a new tab)All about CWE-400 and its CVEs

Affected products

DokuWiki · DokuWiki
- affected 2025-05-14b

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

[![CVE-2026-26477](https://trackcve.app/badge/CVE-2026-26477.svg)](https://trackcve.app/cve/CVE-2026-26477)

Record last updated 8 Apr 2026, 18:58 UTC.

An issue in Dokuwiki v.2025-05-14b "Librarian" [56.2] allows a remote attacker to cause a denial of service via the media_upload_xhr()…