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CVE-2025-13034— No QUIC certificate pinning with GnuTLS

Quick assessment

Affected
curl curl
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.

curl是cURL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存在安全漏洞，该漏洞源于CURLOPT_PINNEDPUBLICKEY选项在特定条件下跳过公钥检查，可能导致连接伪造。

AI Predicted 7.4 Difficulty: Hard EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 19

VendorProduct Version RangeStatus
curl curl 8.8.0< 8.14.2 affected
8.15.0< 8.16.1 affected
8.17.0< 8.18.0 affected
3210101088dfa3d6a125d213226b092f2f866722< 3d91ca8cdb3b434226e743946d428b4dd3acf2c9 affected
8.17.0 affected
8.16.0 affected
8.15.0 affected
8.14.1 affected
… +11 more rows
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I. Basic Information for CVE-2025-13034

Vulnerability Information
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Vulnerability Title
No QUIC certificate pinning with GnuTLS
Source: CVE Program / CVE List V5
Vulnerability Description
When using `CURLOPT_PINNEDPUBLICKEY` option with libcurl or `--pinnedpubkey` with the curl tool, curl should check the public key of the server certificate to verify the peer. This check was skipped in a certain condition that would then make curl allow the connection without performing the proper check, thus not noticing a possible impostor. To skip this check, the connection had to be done with QUIC with ngtcp2 built to use GnuTLS and the user had to explicitly disable the standard certificate verification.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
curl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
curl是cURL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存在安全漏洞，该漏洞源于CURLOPT_PINNEDPUBLICKEY选项在特定条件下跳过公钥检查，可能导致连接伪造。
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

Vendor Product Affected Versions CPE Subscribe
curl curl 8.8.0 ~ 8.14.2 -
curl curl 3210101088dfa3d6a125d213226b092f2f866722 ~ 3d91ca8cdb3b434226e743946d428b4dd3acf2c9 -
curl curl 8.17.0 -

II. Public POCs for CVE-2025-13034

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III. Intelligence Information for CVE-2025-13034

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Other References for CVE-2025-13034 (2)

Same Patch Batch · curl · 2026-01-08 · 6 CVEs total

CVE-2025-15224 libssh key passphrase bypass without agent set
CVE-2025-15079 libssh global known_hosts override
CVE-2025-14524 bearer token leak on cross-protocol redirect
CVE-2025-14819 OpenSSL partial chain store policy bypass
CVE-2025-14017 broken TLS options for threaded LDAPS

IV. Related Vulnerabilities

Same product: curl
Same vendor: curl
Same weakness: CWE-295

V. Comments for CVE-2025-13034

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