VYPR

CWE-295

Improper Certificate Validation

BaseDraft

Description

The product does not validate, or incorrectly validates, a certificate.

Hierarchy (View 1000)

Related attack patterns (CAPEC)

CAPEC-459 · CAPEC-475

CVEs mapped to this weakness (1,595)

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  • CVE-2026-82955CriSep 2, 2026
    risk 0.52cvss —epss 0.00

    In the current development version of Eclipse aeriOS, which has not yet had an official release, the KrakenD instance included in the API Gateway component had the disable_jwk_security parameter hard-coded to true, with no option to override it through the Helm chart…

  • CVE-2026-73253CriAug 20, 2026
    risk 0.52cvss —epss 0.00

    Mongoose is an embedded web server and network library. Prior to version 7.22, an on-path network attacker with a wildcard certificate for a parent domain can impersonate deeper subdomains to a client using the built-in TLS stack. The mg_tls_verify_cert_san() and…

  • CVE-2026-52723CriAug 18, 2026
    risk 0.52cvss 9.1epss 0.00

    ePA 3.x Integration implements the authorization workflow and writes Medical Information Objects to Germany's electronic patient record. Prior to 1.3.0, ePA 3.x Integration performs VAU server certificate validation in app/vau/VAUProtokoll.py without anchoring the…

  • CVE-2026-58062CriAug 3, 2026
    risk 0.52cvss 9.1epss 0.00

    In Bouncy Castle for Java before 1.85, Stapled OCSP response accepted without binding to the checked certificate. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.0.2 (2.0.X series) and 2.1.3 (2.1.X…

  • CVE-2026-8763CriAug 3, 2026
    risk 0.52cvss 9.1epss 0.00

    In Bouncy Castle for Java before 1.85, Name Constraints bypass via trailing dot in rfc822Name and URI. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and…

  • CVE-2026-46428CriJul 20, 2026
    risk 0.52cvss —epss 0.00

    lettre is a a mailer library for Rust. Starting in version 0.10.1 and prior to version 0.11.22, an inverted-boolean bug in lettre's `boring-tls` integration silently disables TLS hostname verification for callers using the default (strict) configuration. An on-path attacker…

  • CVE-2026-11564CriJul 3, 2026
    risk 0.52cvss 9.1epss 0.00

    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…

  • CVE-2026-45745HigJun 5, 2026
    risk 0.52cvss 8.0epss 0.00

    Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Starting in version 1.7.0, Termix Desktop (Electron) disables TLS certificate validation, allowing a machine-in-the-middle attacker to intercept and modify HTTPS traffic…

  • CVE-2026-5194CriApr 9, 2026
    risk 0.52cvss 9.1epss 0.00

    Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA…

  • CVE-2025-66614CriFeb 17, 2026
    risk 0.52cvss 9.1epss 0.00

    Improper Input Validation vulnerability. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0-M1 through 9.0.112. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0…

  • CVE-2026-25961HigFeb 9, 2026
    risk 0.52cvss 7.5epss 0.00

    SumatraPDF is a multi-format reader for Windows. In 3.5.0 through 3.5.2, SumatraPDF's update mechanism disables TLS hostname verification (INTERNET_FLAG_IGNORE_CERT_CN_INVALID) and executes installers without signature checks. A network attacker with any valid TLS certificate…

  • CVE-2026-25160CriFeb 4, 2026
    risk 0.52cvss 9.1epss 0.00

    Alist is a file list program that supports multiple storages, powered by Gin and Solidjs. Prior to version 3.57.0, the application disables TLS certificate verification by default for all outgoing storage driver communications, making the system vulnerable to Man-in-the-Middle…

  • CVE-2025-8476HigAug 1, 2025
    risk 0.52cvss 8.0epss 0.00

    Alpine iLX-507 TIDAL Improper Certificate Validation Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Alpine iLX-507 devices. Authentication is not required to exploit this vulnerability. The specific…

  • CVE-2024-22030HigOct 16, 2024
    risk 0.52cvss 8.0epss 0.00

    A vulnerability has been identified within Rancher that can be exploited in narrow circumstances through a man-in-the-middle (MITM) attack. An attacker would need to have control of an expired domain or execute a DNS spoofing/hijacking attack against the domain to exploit…

  • CVE-2024-25141CriFeb 20, 2024
    risk 0.52cvss 9.1epss 0.01

    When ssl was enabled for Mongo Hook, default settings included "allow_insecure" which caused that certificates were not validated. This was unexpected and undocumented. Users are recommended to upgrade to version 4.0.0, which fixes this issue.

  • CVE-2024-1052HigFeb 5, 2024
    risk 0.52cvss 8.0epss 0.00

    Boundary and Boundary Enterprise (“Boundary”) is vulnerable to session hijacking through TLS certificate tampering. An attacker with privileges to enumerate active or pending sessions, obtain a private key pertaining to a session, and obtain a valid trust on first use (TOFU)…

  • CVE-2022-31183CriAug 1, 2022
    risk 0.52cvss 9.1epss 0.01

    fs2 is a compositional, streaming I/O library for Scala. When establishing a server-mode `TLSSocket` using `fs2-io` on Node.js, the parameter `requestCert = true` is ignored, peer certificate verification is skipped, and the connection proceeds. The vulnerability is limited to:…

  • CVE-2017-18911CriJun 19, 2020
    risk 0.52cvss 9.1epss 0.01

    An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. The X.509 certificate validation can be skipped for a TLS-based e-mail server.

  • CVE-2020-7043CriFeb 27, 2020
    risk 0.52cvss 9.1epss 0.03

    An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack.

  • CVE-2019-3777HigMar 7, 2019
    risk 0.52cvss 8.0epss 0.02

    Pivotal Application Service (PAS), versions 2.2.x prior to 2.2.12, 2.3.x prior to 2.3.7 and 2.4.x prior to 2.4.3, contain apps manager that uses a cloud controller proxy that fails to verify SSL certs. A remote unauthenticated attacker that could hijack the Cloud Controller's…