CVE-2026-88647: n/a
Description
A vulnerability in GnuTLS version 3.8.13 allows attackers to bypass hostname verification by circumventing the Common Name fallback mechanism. This flaw can enable an attacker to eavesdrop on communications by presenting a crafted certificate.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-88647 describes a hostname verification bypass in GnuTLS v3.8.13. The vulnerability allows an attacker to circumvent the Common Name fallback mechanism during TLS certificate validation. By exploiting this, an attacker could intercept or eavesdrop on communications that rely on GnuTLS for secure connections if a crafted certificate is accepted.
Potential Impact
The vulnerability could allow an attacker to intercept or eavesdrop on communications protected by GnuTLS v3.8.13 due to improper hostname verification. This undermines the confidentiality of the communication channel.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-09-10T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6ac7cab82cdf04f6562ac215
Added to database: 10/08/2026, 16:54:16 UTC
Last enriched: 10/08/2026, 17:03:27 UTC
Last updated: 10/08/2026, 21:45:59 UTC
Views: 9
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