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CVE-2026-88648

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 中 X.509 实现不完整，允许控制子证书颁发机构（CA）的攻击者绕过跨域 PKI 限制，并签发未授权的证书。

AI Predicted 7.5 Difficulty: Moderate

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-88648

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Incomplete X.509 implementation in GnuTLS v3.8.13 allows attackers controlling a subordinate Certificate Authority to bypass cross-domain PKI restrictions and issue unauthorized certificates.
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-2026-88648

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III. Intelligence Information for CVE-2026-88648

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Other References for CVE-2026-88648 (1)

Other References for CVE-2026-88648 (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-2026-88647 GnuTLS v3.8.13主机名验证绕过漏洞
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-2026-95116 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-2026-88648

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