CVE-2026-6993
MEDIUMDescription
A security flaw has been discovered in go-kratos kratos up to 2.9.2. This impacts the function NewServer of the file transport/http/server.go of the component http.DefaultServeMux Fallback Handler. The manipulation results in unintended intermediary. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The patch is identified as 0284a5bcf92b5a7ee015300ce3051baf7ae4718d. Applying a patch is advised to resolve this issue.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 24% of all known CVEs.
References
Related Vulnerabilities
Other CWE-441 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2025-47269 | High | 8.3 | 38% | - | - |
| CVE-2019-3924 | High | 7.5 | 16% | - | Fix |
| CVE-2020-5412 | Medium | 6.5 | 10% | - | Fix |
| CVE-2019-3996 | Medium | 6.5 | 5.9% | - | - |
| CVE-2021-20042 | Critical | 9.8 | 2.7% | - | - |
| CVE-2019-1841 | Medium | 6.5 | 2.6% | - | Fix |
Common questions
How do I fix CVE-2026-6993?
No published fix for CVE-2026-6993 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-6993 being actively exploited?
Not that we know of. CVE-2026-6993 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.32% is the estimated probability that it will be exploited in the next 30 days. That is higher than 24% of all scored CVEs.
How severe is CVE-2026-6993?
CVE-2026-6993 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-27.