# CVE-2026-26477: dokuwiki: An issue in Dokuwiki v.2025-05-14b "Librarian" [56.2] allows a remote attacker to cause a denial of service via the m...

CVE-2026-26477 is fixed in dokuwiki on 1 platform by DEBIAN-CVE-2026-26477 (version 2025-05-14.b+dfsg-6), released April 3, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-26477
- Priority: Routine
- CVSS: 4.3 (medium)
- EPSS: 0.0046
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 3, 2026

## 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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dokuwiki Debian 14 | 2025-05-14.b+dfsg-6 | [DEBIAN-CVE-2026-26477](https://patchblox.com/security/data/fix/linux/debian-cve-2026-26477.md) | Apr 3, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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