CVEvulnerability
CVE-2025-51846
8.7 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-30
- Last modified
- 2026-10-14
- Assigner
- 9119a7d8-5eab-497f-8521-727c672e3725
- CVSS 4.0 (9119a7d8-5eab-497f-8521-727c672e3725)
- 8.7 HIGH — 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
- CVSS 3.1 (9119a7d8-5eab-497f-8521-727c672e3725)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-770
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.
Affected configurations
• xwiki cryptpad (>= 2025.3.1 < 2026.2.2)
Related
Weakness · CWE (1)
- CWE-770 Allocation of Resources Without Limits or Throttling weakness
References
- https://github.com/JohnPerifanis/cryptpad-cve-2025-51846-advisory/blob/main/README.md Exploit, Third Party Advisory
- https://github.com/cryptpad/cryptpad/pull/2239/changes/1e0c06ad8a0c5dab795f85f9730ec2693320c62e Patch
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-119-01.json Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-51846 Third Party Advisory