CVE-2026-20290

A vulnerability in SSL/TLS certificate parsing in the Snort 2 Detection Engine of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 2 Detection Engine to restart. This vulnerability is due to incomplete validation of the SSL...

CVE-2026-20290

CVE-2026-20290 affects the Snort 2 Detection Engine within Cisco Secure Firewall Threat Defense (FTD) Software . The root cause is incomplete validation of SSL certificates during parsing. An unauthenticated, remote attacker can exploit this by sending a crafted SSL connection setup request, caus...

EUVD-2026-81150

A vulnerability in SSL/TLS certificate parsing in the Snort 2 Detection Engine of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 2 Detection Engine to restart. This vulnerability is due to incomplete validation of the SSL...

CVE-2026-20290 Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability

A vulnerability in SSL/TLS certificate parsing in the Snort 2 Detection Engine of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 2 Detection Engine to restart. This vulnerability is due to incomplete validation of the SSL...

CVE-2024-40898-SSL-Bypass-Detection

CVE-2024-40898 SSL Certificate Validation Bypass Scanner This repository contains a Python-based proof-of-concept PoC script to detect CVE-2024-40898, a vulnerability in Apache HTTP Server that allows attackers to bypass SSL certificate verification. Overview CVE-2024-40898 is a security issue in...

CVE-2026-80230

When CURLOPTPINNEDPUBLICKEY is configured alongside options that disable standard peer verification CURLOPTSSLVERIFYPEER = 0 and CURLOPTSSLVERIFYHOST = 0, libcurl fails to enforce public key pinning on connections established without a presented server certificate. Bypassing the pinning check und...

EUVD-2026-62726

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to improper handling of a missing SSL client certificate...

CVE-2026-59825

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.19 and from 4.5.0 until 4.5.12, Mastodon's app/models/concerns/user/ldapauthenticable.rb mutates OpenSSL::SSL::SSLContext::DEFAULTPARAMS when LDAP authentication uses LDAPTLSNOVERIFY=true, disabling SSL and T...

CVE-2026-59825

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.19 and from 4.5.0 until 4.5.12, Mastodon's app/models/concerns/user/ldapauthenticable.rb mutates OpenSSL::SSL::SSLContext::DEFAULTPARAMS when LDAP authentication uses LDAPTLSNOVERIFY=true, disabling SSL and T...

CVE-2026-59825 Mastodon: Unwanted deactivation of SSL/TLS certificate verification

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.19 and from 4.5.0 until 4.5.12, Mastodon's app/models/concerns/user/ldapauthenticable.rb mutates OpenSSL::SSL::SSLContext::DEFAULTPARAMS when LDAP authentication uses LDAPTLSNOVERIFY=true, disabling SSL and T...

CVE-2026-15554

the Undertow AJP listener honours forged sslcert and isssl AJP attributes without requiring any shared-secret authentication. This enables an unauthenticated attacker with direct TCP access to port 8009 to bypass CLIENT-CERT authentication by injecting a forged X.509 certificate via the AJP...

EUVD-2026-43744

Nexus Repository 3 is vulnerable to Server-Side Request Forgery SSRF via the SSL Certificate Retrieval endpoint. A user holding the nexus:ssl-truststore:read permission could cause the server to initiate outbound connections to internal or otherwise restricted network hosts. This issue affects...

PYSEC-2026-2368 Apache Airflow missing Certificate Validation

Apache Airflow SMTP Provider before 1.3.0, Apache Airflow IMAP Provider before 3.3.0, and Apache Airflow before 2.7.0 are affected by the Validation of OpenSSL Certificate vulnerability. The default SSL context with SSL library did not check a server's X.509 certificate. Instead, the code accepte...

CVE-2026-59692 Gstreamer1-plugins-bad-free: gstreamer: dtls certificate subject dn stack buffer overflow in openssl_verify_callback

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an...

CVE-2026-48248

Open ISES Tickets before 3.44.2 disables TLS certificate verification in incs/login.inc.php by setting CURLOPTSSLVERIFYPEER to false and not setting CURLOPTSSLVERIFYHOST when issuing outbound HTTPS requests issued during the login/authentication flow. An attacker positioned on the network path...

WordPress WP Encryption – One Click Free SSL Certificate & SSL / HTTPS Redirect, Security & SSL Scan plugin <= 7.8.5.10 - One Click SSL & Force HTTPS <= 7.8.5.10 - Missing Authorization to Authenticated (Subscriber+) SSL Setup Tampering vulnerability

One Click Free SSL Certificate & SSL / HTTPS Redirect, Security & SSL Scan plugin = 7.8.5.10 - One Click SSL & Force HTTPS = 7.8.5.10 - Missing Authorization to Authenticated Subscriber+ SSL Setup Tampering vulnerability discovered by Kitch - KitchGlobal in WordPress Plugin WP Encryption – One...

RHCOS 6 : jenkins (RHSA-2013:0700)

The remote Red Hat Enterprise Linux CoreOS 6 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2013:0700 advisory. - maven-wagon: all SSL certificate checking is disabled by default CVE-2013-0253 Note that Nessus has not tested for this issue but has inste...

WordPress Auto-Install Free SSL – Generate & Install Free SSL Certificates plugin <= 4.5.0 - Unauthenticated Reflected Cross-Site Scripting vulnerability

Unauthenticated Reflected Cross-Site Scripting vulnerability discovered by Asaf Mozes in WordPress Plugin Free SSL Certificate Plugin, HTTPS Redirect, Renewal Reminder – Auto-Install Free SSL versions = 4.5.0...

GHSA-PPVX-RWH9-7RJ7 pyload-ng: Authorization Bypass for SSL Certificate/Key Configuration Due to Option Name Mismatch in pyload-ng

Summary The ADMINONLYCOREOPTIONS authorization set in setconfigvalue uses incorrect option names sslcert and sslkey, while the actual configuration option names are sslcertfile and sslkeyfile. This name mismatch causes the admin-only check to always evaluate to False, allowing any user with...

CVE-2026-35586

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev97, the ADMINONLYCOREOPTIONS authorization set in setconfigvalue uses incorrect option names sslcert and sslkey, while the actual configuration option names are sslcertfile and sslkeyfile. This name mismatch...