CVE-2026-26477
Quick assessment
Affected
DokuWiki DokuWiki
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
DokuWiki是DokuWiki开源的一个简单易用且用途广泛的开源 Wiki 软件。 Dokuwiki 2025-05-14b版本存在安全漏洞，该漏洞源于media.php文件中media_upload_xhr函数处理不当，可能导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-26477
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
DokuWiki 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DokuWiki是DokuWiki开源的一个简单易用且用途广泛的开源 Wiki 软件。 Dokuwiki 2025-05-14b版本存在安全漏洞，该漏洞源于media.php文件中media_upload_xhr函数处理不当，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-26477
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Security Blog Posts for CVE-2026-26477 (1)
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V. Comments for CVE-2026-26477
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