CVE-2025-51846

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Source
https://cve.org/CVERecord?id=CVE-2025-51846
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-51846.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-51846
Published
2026-04-30T16:35:59.625Z
Modified
2026-07-08T08:06:40.624976208Z
Severity
  • 8.7 (High) CVSS_V4 - 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 CVSS Calculator
Summary
CryptPad unbounded WebSocket frame flood
Details

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.

Database specific 
{
    "cna_assigner": "cisa-cg",
    "cwe_ids": [
        "CWE-770"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/51xxx/CVE-2025-51846.json"
}
References

Affected packages

Git / github.com/cryptpad/cryptpad

Affected ranges

Type
GIT
Repo
https://github.com/cryptpad/cryptpad
Events
Introduced
e24be2c8734a5405366ce4b1ce1014d2301e1e7e
Fixed
9004ad2dd1b40d571b25f66dfe968606233f51a8
Database specific 
{
    "extracted_events": [
        {
            "introduced": "2025.3.1"
        },
        {
            "fixed": "2026.2.2"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

2025.*
2025.3.1
2025.6.0
2025.9.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-51846.json"