CVE-2026-88647
- State
- Published
- Severity
- 6.5 Medium
- Published
- Oct 8, 2026
- Updated
- Oct 19, 2026
- Reserved
- Sep 10, 2026
Description
A hostname verification bypass in GnuTLS v3.8.13 allows attackers to circumvent the Common Name fallback mechanism and eavesdrop on communications via a crafted certificate.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N | CISA-ADP |
Weaknesses
- CWE-297 Improper Validation of Certificate with Host Mismatch
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
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