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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2025-51846 Detail

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

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government
CVSS-B 8.7 HIGH
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/JohnPerifanis/cryptpad-cve-2025-51846-advisory/blob/main/README.md Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government Exploit  Third Party Advisory 
https://github.com/cryptpad/cryptpad/pull/2239/changes/1e0c06ad8a0c5dab795f85f9730ec2693320c62e Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government Patch 
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-119-01.json Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government Third Party Advisory 
https://www.cve.org/CVERecord?id=CVE-2025-51846 Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-770 Allocation of Resources Without Limits or Throttling Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-51846
NVD Published Date:
04/30/2026
NVD Last Modified:
05/04/2026
Source:
Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government