CVE-2026-63336 RabbitMQ Java client: TrustEverythingTrustManager used by default in useSslProtocol() enables MITM

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.0, com.rabbitmq.client.ConnectionFactory.useSslProtocol and ConnectionFactory.useSslProtocolString configure com.rabbitmq.client.TrustEverythingTrustManager and...

CVE-2026-63336

Prior to 5.33.0, the RabbitMQ Java client's useSslProtocol() methods installed a TrustEverythingTrustManager and disabled hostname verification, accepting any certificate. A network attacker could impersonate the broker, read protected AMQP traffic, and modify it. Fixed in 5.33.0, which uses the ...

CVE-2026-63336 RabbitMQ Java client: TrustEverythingTrustManager used by default in useSslProtocol() enables MITM

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.0, com.rabbitmq.client.ConnectionFactory.useSslProtocol and ConnectionFactory.useSslProtocolString configure com.rabbitmq.client.TrustEverythingTrustManager and...

CVE-2026-63336

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.0, com.rabbitmq.client.ConnectionFactory.useSslProtocol and ConnectionFactory.useSslProtocolString configure com.rabbitmq.client.TrustEverythingTrustManager and...

EUVD-2026-60953

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-2026-59825

When LDAP auth uses LDAP_TLS_NO_VERIFY=true, app/models/concerns/user/ldap_authenticable.rb mutates OpenSSL::SSL::SSLContext::DEFAULT_PARAMS, disabling SSL/TLS verification globally for puma web processes. This enables MITM attacks against all puma-originated HTTPS requests. Fixed in Mastodon 4.4...

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-2026-59825 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...

crypto/x509: Incorrect enforcement of email constraints in crypto/x509

A certificate validation flaw has been discovered in the golang crypto/x509 module. When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly...

ANT-2026-3ZHWVDTX · kjur/jsrsasign · Improper Verification of Cryptographic Signature

other high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-3ZHWVDTX: security off-by-one DSA signature validation error; different than CVE-2026-4599,01,02 In jsrsasign's DSA verification...

CVE-2026-57826

openHiTLS (a TLS protocol implementation) is affected in versions 0.2.0 through 0.3.2 . During X.509 certificate chain verification , the basic constraints extension and CA flag of intermediate CAs are only validated for v3 certificates; v1 and v2 intermediate certificates are ignored, potentiall...

CVE-2021-43716

A firmware update verification bypass in the Epson EH-TW5350 projector (firmware 150075647YWWV110, EasyMP Network Updater Ver.1.20) allows an attacker to push encrypted firmware via USB without proper verification. Discovered by team B-BEAM-BOB during the KITRI Best of the Best program in 2021, t...

PT-2026-77253

Name of the Vulnerable Software and Affected Versions EPSON 150075647YWWV110 EasyMP Network Updater version 1.20 Description A verification bypass allows the Epson projector to be updated using encrypted firmware via USB. Recommendations At the moment, there is no information about a newer versio...

EUVD-2021-34865

Verification Bypass vulnerability exists in EPSON 150075647YWWV110 EasyMP Network Updater Ver.1.20. The Epson projector can be updated by encrypted firmware through USB...

CVE-2026-57826

An issue was discovered in openHiTLS 0.2.0 through 0.3.2. In the X.509 certificate chain verification, the basic constraints extension and CA flag processing of intermediate CAs are only verified for v3 certificates, and v1/v2 certificates are ignored...

CVE-2026-57826

An issue was discovered in openHiTLS 0.2.0 through 0.3.2. In the X.509 certificate chain verification, the basic constraints extension and CA flag processing of intermediate CAs are only verified for v3 certificates, and v1/v2 certificates are ignored...

CVE-2021-43716

Verification Bypass vulnerability exists in EPSON 150075647YWWV110 EasyMP Network Updater Ver.1.20. The Epson projector can be updated by encrypted firmware through USB...

PT-2026-77210

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.0, com.rabbitmq.client.ConnectionFactory.useSslProtocol and ConnectionFactory.useSslProtocolString configure com.rabbitmq.client.TrustEverythingTrustManager and...

PT-2026-77143

Name of the Vulnerable Software and Affected Versions Mastodon versions prior to 4.4.19 Mastodon versions 4.5.0 through 4.5.11 Description When LDAP authentication is configured with LDAP TLS NO VERIFY=true, the file app/models/concerns/user/ldap authenticable.rb mutates...