Bug 2454789 (CVE-2026-26477)

Summary: CVE-2026-26477 dokuwiki: Dokuwiki: Denial of Service via media_upload_xhr() function
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Dokuwiki. A remote attacker can exploit this vulnerability by utilizing the `media_upload_xhr()` function within the `media.php` file. This can lead to a denial of service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2454794    
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Description OSIDB Bzimport 2026-04-03 15:01:28 UTC
An issue in Dokuwiki v.2025-05-14b 'Librarian' allows a remote attacker to cause a denial of service via the media_upload_xhr() function in the media.php file