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CVE-2026-88647

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GnuTLS v3.8.13 存在一个主机名验证绕过漏洞，攻击者可以通过构造的证书绕过通用名称（Common Name）回退机制，从而窃听通信内容。

AI Predicted 8.1 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-88647

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-88647

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III. Intelligence Information for CVE-2026-88647

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Other References for CVE-2026-88647 (2)

Same Patch Batch · n/a · 2026-10-08 · 9 CVEs total

CVE-2026-95125 libming 0.4.8堆溢出漏洞致拒绝服务
CVE-2026-95208 wolfSSL v5.9.1/2名称约束处理拒绝服务漏洞
CVE-2026-95184 gnutls v3.8.13证书验证不当导致DoS
CVE-2026-95210 GnuTLS 3.8.13 证书校验不当漏洞
CVE-2026-67693 GnuTLS 3.8.13密钥用法证书信息泄露漏洞
CVE-2026-95209 GnuTLS 3.8.13 拒绝合法 CA 证书导致 DoS
CVE-2026-88648 GnuTLS v3.8.13不完整X.509实现漏洞
CVE-2026-95116 libming 0.4.8 读取SWF文件拒绝服务漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-88647

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