MariaDB's connector leaks the cleartext password to an MitM despite `ssl: true`

Summary When SSL/TLS is enabled but no CA / server certificate is provided, the connector verifies the server's identity using fingerprint validation. The check is effective, the connection is ultimately rejected when it fails, but it happens after the authentication exchange. As a result, the...

open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder

A flaw was found in open-iscsi. An unauthenticated man-in-the-middle MITM attacker can exploit a double-free vulnerability in the iSNS attribute decoder. This can lead to a denial of service DoS condition, making the affected system unavailable...

GHSA-MV8M-V9V6-5F94 kas Persistently Disables SSH Host Key Checking

Summary kas persistently disables SSH host key checking for the invoking user when internal SSH key setup is triggered via SSHPRIVATEKEY or SSHPRIVATEKEYFILE and no user-specific SSH configuration file exists so far. When this path is used, kas creates /.ssh/config with a global Host rule...

kas Persistently Disables SSH Host Key Checking

Summary kas persistently disables SSH host key checking for the invoking user when internal SSH key setup is triggered via SSHPRIVATEKEY or SSHPRIVATEKEYFILE and no user-specific SSH configuration file exists so far. When this path is used, kas creates /.ssh/config with a global Host rule...

open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder

A flaw was found in open-iscsi. An unauthenticated man-in-the-middle MITM attacker can exploit a double-free vulnerability in the iSNS attribute decoder. This can lead to a denial of service DoS condition, making the affected system unavailable...

Security Bulletin: IBM Integrated Analytics System (IIAS) is affected by improper SSL/TLS certificate validation vulnerability in JWT service component

Summary IBM Integrated Analytics System includes JWT service as an internal component responsible for JSON Web Token authentication. A security issue was detected in the apjwtservice.py module where SSL/TLS server certificate validation is not enabled on an SSL/TLS connection. The absence of...

nginx: NGINX: Heap buffer over-read allows memory modification or denial of service

A vulnerability in NGINX's ngxhttpssimodule allows an unauthenticated MITM attacker to trigger a heap buffer over-read by manipulating upstream server responses. This requires SSI, proxypass, and proxybuffering off to be configured, and can result in memory modification or a Denial of Service DoS...

CVE-2026-78323

A flaw was found in JSS Java Security Services. The JSSTrustManager class does not verify NSS trust flags when validating CA certificates, allowing certificates present in the NSS database without TRUSTEDCA flags to be accepted as trust anchors for TLS connections. In non-default configurations...

Astra Linux – Vulnerability in unbound

Before version 1.9.5, Unbound allowed configuration injection in the createunboundadservers.sh script after a successful man-in-the-middle attack on a cleartext HTTP session. NOTE: The vendor does not consider this a vulnerability of the Unbound software. createunboundadservers.sh is a contribute...

Astra Linux – Vulnerability in Ruby 2.5, JRuby

A issue was discovered in Ruby between versions 2.6.7, 2.7.x up to 2.7.3, and 3.x up to 3.0.1. The Net::IMAP library does not raise an exception when the StartTLS command fails with an unknown response. This may allow man-in-the-middle attackers to bypass TLS protections by leveraging the network...

CVE-2026-63310

CVE-2026-63310 (now rejected by its CNA) tracks a vulnerability in NLTK before 3.9.3 where the package downloader in nltk/downloader.py performs no integrity verification between moving a downloaded file to its final location and extracting it. The SHA-256 checksum logic exists in _pkg_status() b...

CVE-2026-63310

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CVE-2026-62243 Netty 4.2.0 through 4.2.16 TLS Hostname Verification Bypass

Netty io.netty:netty-handler versions from 4.2.0.Final through 4.2.16.Final and versions through 4.1.136.Final disable TLS hostname verification on the SslProvider.OPENSSL client path when a plain non-extended X509TrustManager is used and Unsafe-based trust-manager wrapping is unavailable Java 25...

CVE-2026-62243 Netty 4.2.0 through 4.2.16 TLS Hostname Verification Bypass

Netty io.netty:netty-handler versions from 4.2.0.Final through 4.2.16.Final and versions through 4.1.136.Final disable TLS hostname verification on the SslProvider.OPENSSL client path when a plain non-extended X509TrustManager is used and Unsafe-based trust-manager wrapping is unavailable Java 25...

CVE-2026-53583 libgit2: Inverted IP SubjectAltName Comparison in OpenSSL Backend

libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, verifyservercert in src/libgit2/streams/openssl.c uses an inverted !!memcmp result in the GENIPADD...

CVE-2026-66787

A flaw in the lighthouse component of Red Hat Advanced Cluster Management for Kubernetes stems from insufficient validation of advertised IP addresses within EndpointSlice objects. A compromised spoke cluster can create EndpointSlices with attacker-controlled IP addresses, causing other clusters'...

CVE-2026-54481

A flaw was found in Gitea. The internal API HTTP client is configured to skip Transport Layer Security TLS certificate verification, which is an insecure practice. A remote attacker on the same network segment could exploit this vulnerability to perform man-in-the-middle MITM attacks. This allows...

CVE-2026-66787

A flaw was found in the lighthouse component of Red Hat Advanced Cluster Management for Kubernetes. This vulnerability stems from insufficient validation of advertised IP addresses within EndpointSlice objects. A compromised spoke cluster can exploit this by creating EndpointSlices with...

OESA-2026-3407 open-iscsi security update

The Open-iSCSI project is a high-performance, transport independent, multi-platform implementation of RFC3720 iSCSI. Security Fixes: An Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability in open-iscsi allows remote MITM attackers to create root-owned files...

CVE-2026-76403

In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user positioned in the network path could read or alter all relevant data sent from the connector when Kerberos authentication is used with Hypertext Transfer Protocol HTTP Event Collector in Splunk Enterprise. The vulnerability...