CVE-2026-13707
7.6 · HIGHOverview
CVE-2026-13707 is a high-severity vulnerability affecting mediawiki mediawiki. It was published on July 1, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Session fixation vulnerability in Wikimedia Foundation OAuth.
This vulnerability is associated with program files src/Backend/MWOAuthServer.Php.
This issue affects OAuth: from * through 1.46.0, 1.45.4, 1.44.6, 1.43.9.
Remediation
Check the references section for vendor advisories and patches from mediawiki. Update mediawiki to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mediawiki | mediawiki | >= 1.43.0, < 1.43.9 | Affected |
References
Frequently Asked Questions
What is CVE-2026-13707?
CVE-2026-13707 is a high-severity vulnerability affecting mediawiki mediawiki. It was published on July 1, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).
How severe is CVE-2026-13707?
This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-13707?
Check the references section for vendor advisories and patches from mediawiki. Update mediawiki to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-13707?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-13707 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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