8.7

CVE-2025-51846

Exploit

CryptPad unbounded WebSocket frame flood

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Xwiki ≫ Cryptpad Version >= 2025.3.1 < 2026.2.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.58% 0.43
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
9119a7d8-5eab-497f-8521-727c672e3725 8.7 0 0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
9119a7d8-5eab-497f-8521-727c672e3725 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

https://github.com/cryptpad/cryptpad/pull/2239/changes/1e0c06ad8a0c5dab795f85f9730ec2693320c62e
Patch
https://www.cve.org/CVERecord?id=CVE-2025-51846
Third Party Advisory
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-119-01.json
Third Party Advisory
https://github.com/JohnPerifanis/cryptpad-cve-2025-51846-advisory/blob/main/README.md
Third Party Advisory
Exploit