CryptPad unbounded WebSocket frame flood
view advisory published 2026-04-29
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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-51846US | — | Exploit | ||
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 i… | ||||
02
references
External citations — patches, advisories, analysis.
03
remediations (1)
- Fixedcryptpad
Fixed in 2026.2.2.
https://github.com/cryptpad/cryptpad/pull/2239/changes/1e0c06ad8a0c5dab795f85f9730ec2693320c62e
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