CVE-2025-51846

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
2026-04-30T16:35:59Z
Modified
2026-10-21T02:53:54Z
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
Database specific
Show details
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "2025.3.1"
                },
                {
                    "fixed":  "2026.2.2"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        },
        {
            "cpe":  "cpe:2.3:a:xwiki:cryptpad:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "2025.3.1"
                },
                {
                    "fixed":  "2026.2.2"
                }
            ],
            "source":  "CPE_RANGE"
        }
    ]
}

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"