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.

INFO

Published Date :

2026-04-30T16:35:59.625Z

Last Modified :

2026-04-30T17:15:30.109Z

Source :

cisa-cg
AFFECTED PRODUCTS

The following products are affected by CVE-2025-51846 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-51846.

URL Resource
https://github.com/JohnPerifanis/cryptpad-cve-2025-51846-advisory/blob/main/README.md cve-icon cve-icon
https://github.com/cryptpad/cryptpad/pull/2239/changes/1e0c06ad8a0c5dab795f85f9730ec2693320c62e cve-icon cve-icon
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-119-01.json cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-51846 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact