CVE-2025-51846
HIGHCVSS 8.7/10EPSS 0.58%
Last modified
CVE-2025-51846 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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. EPSS estimates a 0.58% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xwiki | Cryptpad | >= 2025.3.1, < 2026.2.2 |
References
- https://github.com/JohnPerifanis/cryptpad-cve-2025-51846-advisory/blob/main/README.mdExploit, Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-51846Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-51846?
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.
How severe is CVE-2025-51846?
CVE-2025-51846 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.
How do I fix CVE-2025-51846?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2025-51846?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST