CVE-2026-88647
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability15. percentile0.2%
ProductGnuTLS
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-297CWE-297
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| GnuTLS GnuTLS | 3.8.13 | — |
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