CVE-2026-6869
MEDIUMCVSS 5.5/10EPSS 0.13%
Last modified
CVE-2026-6869 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. WebSocket protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
WebSocket protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 4.4.0, <= 4.4.14 |
| Wireshark | Wireshark | >= 4.6.0, <= 4.6.4 |
References
- https://gitlab.com/wireshark/wireshark/-/work_items/21190Exploit, Issue Tracking
- https://www.wireshark.org/security/wnpa-sec-2026-44.htmlVendor Advisory
- https://gitlab.com/wireshark/wireshark/-/work_items/21190Exploit, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-6869?
WebSocket protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
How severe is CVE-2026-6869?
CVE-2026-6869 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-6869?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-6869?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST