CVE-2025-51846: CryptPad 2025.3.1 allows unbounded WebSocket frame flood. A remote, unauthenticated attacker can significantly degrade…
CVE-2025-51846 · Severity: high · CVSS 7.5 · Published 2026-04-30
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-51846 being exploited in the wild.
How severe is CVE-2025-51846?
High severity, with a CVSS score of 7.5, published 30 April 2026.
Which products and versions are affected?
Xwiki Cryptpad. The advisory does not name versions.
Is there a fix for CVE-2025-51846?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-51846?
Check whether you run Xwiki Cryptpad. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.