# CVE-2025-51846: CryptPad 2025.3.1 allows unbounded WebSocket frame flood. A remote, unauthenticated attacker can significantly degrade…

Source: https://junglewise.ai/threats/cve-2025-51846-cryptpad-2025-3-1-allows-unbounded-websocket-frame-flood-a-remote  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-30  
License: CC BY 4.0 with a link back

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.

Vendors: [Xwiki](https://junglewise.ai/threats/vendors/xwiki).

## Quick answers

**Is CVE-2025-51846 exploited in the wild?** 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.

## Affected products

- Xwiki Cryptpad