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High 7.5Published Apr 30, 2026
CVE-2025-51846CryptPad 2025.3.1 allows unbounded WebSocket frame flood.
Updated under an hour ago ()
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It affects xwiki cryptpad. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-770
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
xwiki cryptpad xwiki:cryptpad | from 2025.3.1 before 2026.2.2 | NVD |
References
- https://github.com/JohnPerifanis/cryptpad-cve-2025-51846-advisory/blob/main/README.mdexploit, third-party-advisory
- https://github.com/cryptpad/cryptpad/pull/2239/changes/1e0c06ad8a0c5dab795f85f9730ec2693320c62epatch
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-119-01.jsonthird-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2025-51846third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.