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TI-2025-32422 Aliases CVE-2025-51846GHSA-jmrh-f3j8-q3c4

CryptPad unbounded WebSocket frame flood

Priority MEDIUM 44CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-770.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00578 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed CryptPad (CryptPad): 2026.2.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
XWikiCryptPad2025.3.1 to before 2026.2.22026.2.2Patch availableCNA
  • CryptPad VendorXWiki Affected 2025.3.1 to before 2026.2.2 Fixed in 2026.2.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:xwiki:cryptpad:*:*:*:*:*:*:*:*2025.3.1 to before 2026.2.2VulnerableXWiki
  • cpe:2.3:a:xwiki:cryptpad:*:*:*:*:*:*:*:* Versions 2025.3.1 to before 2026.2.2 Vulnerable ·XWiki

Remediation

  • Fix · CNA CryptPad (CryptPad) Fixed in 2026.2.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-51846
  2. 2026-10-03 Alias added: GHSA-jmrh-f3j8-q3c4

References

Exploit 1

Patch 1

Advisory 2

  • TI-2025-31604 CryptPad 2FA Bypass Vulnerability CVSS 4.0HIGH 7.4
  • TI-2025-31603 CryptPad Dom-Based Cross-Site Scripting (XSS) Vulnerability CVSS 4.0LOW 2.9
  • TI-2019-11412 The pad management logic in XWiki labs CryptPad before 3.0.0 allows a remote attacker… CVSS 3.1MEDIUM 6.5
  • TI-2017-14392 Cross-site scripting (XSS) vulnerability in pad export in XWiki labs CryptPad before… CVSS 3.0MEDIUM 6.1

Sources