CVE-2026-26477

Name: CVE-2026-26477
Creator: NVD / NIST
Published: 2026-04-03T15:16:05.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2026-26477 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.45%

36.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dokuwiki	Dokuwiki	2025-05-14b

References

https://github.com/Hebing123/cve/issues/94Exploit, Third Party Advisory
https://github.com/dokuwiki/dokuwiki/releases/tag/release-2025-05-14bRelease Notes

Timeline

Published: Apr 3, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-26477?

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

How severe is CVE-2026-26477?

CVE-2026-26477 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2026-26477?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-26477?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST