CVE-2025-51846
7.5 · HIGHOverview
CVE-2025-51846 is a high-severity vulnerability affecting xwiki cryptpad. It was published on April 30, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
CryptPad 2025.3.1 allows unbounded WebSocket frame flood. A remote, unauthenticated attacker can significantly degrade or deny service for all users of a CryptPad instance. Fixed in 2026.2.2.
Remediation
Check the references section for vendor advisories and patches from xwiki. Update cryptpad 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 |
|---|---|---|---|
| xwiki | cryptpad | >= 2025.3.1, < 2026.2.2 | Affected |
References
Frequently Asked Questions
What is CVE-2025-51846?
CVE-2025-51846 is a high-severity vulnerability affecting xwiki cryptpad. It was published on April 30, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-51846?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-51846?
Check the references section for vendor advisories and patches from xwiki. Update cryptpad 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-2025-51846?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-51846 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.
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