CVE-2026-26477

DokuWiki · DokuWiki

A security issue has been identified in DokuWiki, a popular open-source wiki software, which could lead to unauthorized system access or data exposure.

Executive summary

A vulnerability in DokuWiki could allow attackers to compromise the wiki platform, potentially leading to unauthorized modification of content or data theft.

Vulnerability

An unspecified security issue exists in DokuWiki. In the context of wiki software, such vulnerabilities typically involve cross-site scripting (XSS), path traversal, or improper access control, allowing an attacker to manipulate files or execute malicious scripts.

Business impact

A compromise of DokuWiki can lead to the loss of proprietary information, the defacement of internal documentation, and the distribution of malware to wiki users. Depending on the nature of the flaw, an attacker might gain full control over the wiki server. The CVSS score of 7.5 indicates a High severity risk to the organization’s information assets.

Remediation

Immediate Action: Update DokuWiki to the latest stable release that addresses this vulnerability.

Proactive Monitoring: Review file integrity on the server and check DokuWiki access logs for suspicious activity or unauthorized changes to wiki pages.

Compensating Controls: Implement a Web Application Firewall (WAF) with rulesets specifically designed to block common CMS and Wiki exploits.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Organizations should immediately verify their DokuWiki version and apply the necessary updates. Ensuring the wiki is running the most recent version is vital for protecting internal knowledge bases from unauthorized access and manipulation.