CVE-2026-8932— incomplete mTLS config matching in conn reuse
In-the-Wild Activity Observed github_trending · low
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-8932
Vulnerability Information
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Vulnerability Title
incomplete mTLS config matching in conn reuse
Source: NVD (National Vulnerability Database)
Vulnerability Description
libcurl would reuse a previously created connection even when some mTLS config related option had been changed that should have prohibited reuse. libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. However, some TLS settings related to client certificates were left out from the configuration match checks, making them match too easily. In particular options related to the private key.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
curl 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
curl是瑞典cURL团队开源的一款用于从服务器传输数据或向服务器传输数据的工具。 curl存在授权问题漏洞，该漏洞源于TLS客户端证书配置相关选项未纳入连接池配置匹配检查，可能导致连接被错误重用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-8932
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Vendor Advisories for CVE-2026-8932 (2)
Other References for CVE-2026-8932 (1)
Same Patch Batch · curl · 2026-07-03 · 18 CVEs total
| CVE-2026-9546 | sending old referer | |
| CVE-2026-8458 | wrong reuse for different services | |
| CVE-2026-8925 | SASL double-free | |
| CVE-2026-8286 | wrong STARTTLS connection reuse | |
| CVE-2026-8927 | env-set cross-proxy Digest auth state leak | |
| CVE-2026-8926 | password leak with netrc and user in URL | |
| CVE-2026-8924 | trailing dot domain super cookie | |
| CVE-2026-12064 | proto-default skips SSH verification | |
| CVE-2026-10536 | HTTP/2 stream-dependency tree UAF | |
| CVE-2026-11352 | QUIC zero-length UDP datagrams busy-loop | |
| CVE-2026-9545 | exposing HTTP/3 early data | |
| CVE-2026-9080 | UAF after pause in socket callback | |
| CVE-2026-9547 | SSH improper host validation | |
| CVE-2026-9079 | stale proxy password leak | |
| CVE-2026-11564 | Native CA trust persist | |
| CVE-2026-11856 | cross-origin Digest auth state leak | |
| CVE-2026-11586 | WS Auto-PONG memory exhaustion |
IV. Related Vulnerabilities
V. Comments for CVE-2026-8932
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