CVE-2026-11564

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. An easy handle that first uses default native CA trust can continue trusting the native platform store after the application switches that same handle to custom CA...

ALPINE-CVE-2026-11564

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. An easy handle that first uses default native CA trust can continue trusting the native platform store after the application switches that same handle to custom CA...

CVE-2026-11564

CVE-2026-11564 (libcurl) describes an issue where libcurl keeps previously used connections in a pool and may continue trusting the native CA store after an application switches a handle to custom CA material for a later transfer. The connected sources confirm this behavior across multiple feeds ...

EUVD-2026-41499

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. An easy handle that first uses default native CA trust can continue trusting the native platform store after the application switches that same handle to custom CA...

CVE-2026-11564

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. An easy handle that first uses default native CA trust can continue trusting the native platform store after the application switches that same handle to custom CA...

libcurl: libcurl: Certificate validation bypass due to incorrect connection reuse

A flaw was found in curl. When libcurl reuses a connection from its connection pool, an easy handle that initially used default native Certificate Authority CA trust may continue to trust the native platform store. This occurs even after the application has switched that same handle to custom CA...

UBUNTU-CVE-2026-11564

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. An easy handle that first uses default native CA trust can continue trusting the native platform store after the application switches that same handle to custom CA...

Native CA trust persist

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. An easy handle that first uses default native CA trust can continue trusting the native platform store after the application switches that same handle to custom CA...

CURL-CVE-2026-11564 Native CA trust persist

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. An easy handle that first uses default native CA trust can continue trusting the native platform store after the application switches that same handle to custom CA...

PT-2026-51741

Name of the Vulnerable Software and Affected Versions libcurl affected versions not specified Description An issue exists in the certificate authentication procedure where the library maintains a connection pool for reusing connections in subsequent transfers. If a handle initially uses the defau...

curl: Schannel custom-CA path skips Extended Key Usage enforcement

Hi all, We believe the Schannel custom-CA verification path in lib/vtls/schannelverify.c may skip Extended Key Usage enforcement. In particular, a certificate that chains to the trusted custom CA but contains only id-kp-clientAuth, rather than id-kp-serverAuth, may pass peer verification on Windo...

Understanding Student Experiences with TLS Client Authentication

Mutual TLS mTLS provides strong, certificate-based authentication for both clients and servers, yet its adoption for user-facing websites remains rare. This paper presents a longitudinal study of mTLS usability, tracking 46 senior and graduate computer science students who configured client...

EUVD-2026-12745

mdjnelson/moodle-modcustomcert is a Moodle plugin for creating dynamically generated certificates with complete customization via the web browser. Prior to versions 4.4.9 and 5.0.3, a teacher who holds mod/customcert:manage in any single course can read and silently overwrite certificate elements...

Custom certificate activity 安全漏洞

Custom Certificate Activity is a dynamically generated and customizable PDF certificate plugin developed by Mark Nelson as an individual developer. Versions of Custom Certificate Activity prior to 4.4.9 and 5.0.3 contained security vulnerabilities. These vulnerabilities stemmed from the...

CVE-2026-27134 Strimzi: All CAs from a custom CA chain consisting of multiple CAs are trusted for mTLS user autentication

Strimzi provides a way to run an Apache Kafka cluster on Kubernetes or OpenShift in various deployment configurations. In versions 0.49.0 through 0.50.0, when using a custom Cluster or Clients CA with a multistage CA chain consisting of multiple CAs, Strimzi incorrectly configures the trusted...

CVE-2025-9708 Kubernetes C# Client: improper certificate validation in custom CA mode may lead to man-in-the-middle attacks

A vulnerability exists in the Kubernetes C client where the certificate validation logic accepts properly constructed certificates from any Certificate Authority CA without properly verifying the trust chain. This flaw allows a malicious actor to present a forged certificate and potentially...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation via a flaw in the certificate validation logic, which accepts properly constructed certificates from any Certificate Authority CA without properly verifying the trust chain. An attacker can use this to...

Kubernetes C# Client: improper certificate validation in custom CA mode may lead to man-in-the-middle attacks

CVSS Rating: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N — Medium 6.8 A vulnerability exists in the Kubernetes C client where the certificate validation logic accepts properly constructed certificates from any Certificate Authority CA without properly verifying the trust chain. This flaw allows ...

CVE-2022-42784

A vulnerability has been identified in LOGO! 12/24RCE 6ED1052-1MD08-0BA1 All versions = V8.3, LOGO! 12/24RCEo 6ED1052-2MD08-0BA1 All versions = V8.3, LOGO! 230RCE 6ED1052-1FB08-0BA1 All versions = V8.3, LOGO! 230RCEo 6ED1052-2FB08-0BA1 All versions = V8.3, LOGO! 24CE 6ED1052-1CC08-0BA1 All versio...

Unspecified Vulnerability in Siemens LOGO! BM (Base Module) Devices

Siemens LOGO! BM Base Module devices are used for basic small-scale automation tasks. An unspecified vulnerability exists in the Siemens LOGO! BM Base Module device due to the susceptibility of the affected device to electromagnetic fault injection. An attacker could exploit the vulnerability to...