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MEDIUM · 4.3

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

Vulnerability 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

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
DokuwikiDokuwiki2025-05-14b

Related Weaknesses (CWE)

CWE-770CWE-400

References

FAQ

What is CVE-2026-26477?

CVE-2026-26477 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-26477?

Check the references section above for vendor advisories and patch information. Affected products include: Dokuwiki Dokuwiki.