Security Bulletin: IBM Integrated Analytics System (IIAS) is affected by multiple vulnerabilities due to pyOpenSSL

Summary pyOpenSSL is used by IBM Integrated Analytics System as a Python wrapper around the OpenSSL library for SSL/TLS functionality. Multiple vulnerabilities affect pyOpenSSL versions prior to 26.0.0. CVE-2026-27448 involves a "fail open" behavior where an unhandled exception in a user-provided...

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...

CVE-2026-19538 Bypass of BLOCKED ACL items on proxy protocol port over TCP or TLS

The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or TLS and sending the query twice on connection that is kept open...

CVE-2026-19538

This vulnerability affects NSD (NLnet Labs' DNS server daemon). BLOCKED access control list items on the proxy protocol port can be completely bypassed by connecting over TCP or TLS and sending the query twice on a single kept-open connection. The CVSS 4.0 score is 8.2 (HIGH) , with primary impac...

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...

Important: Red Hat Security Advisory: isns-utils security update

An update for isns-utils is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

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...

Important: Red Hat Security Advisory: isns-utils security update

An update for isns-utils is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

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...

CVE-2026-80200

Kimai before 2.53.0 contains an open redirect vulnerability in the SAML authentication success handler that accepts unvalidated RelayState POST parameters as redirect destinations. Attackers with IdP access can supply malicious RelayState values to redirect authenticated users to...

Linux Distros Unpatched Vulnerability : CVE-2026-79676

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLTK versions before 3.10.3 contain a path traversal vulnerability in corpus readers that reopen root- derived paths using built-in open instead of...

Ubuntu 20.04 LTS / 22.04 LTS / Pro Realtime 22.04 LTS : Linux kernel vulnerabilities (USN-8658-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / Pro Realtime 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8658-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the...

Linux Distros Unpatched Vulnerability : CVE-2026-80585

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mptcp: fastopen: only mark MPTFO subflows with SYN data Passive TCP Fast Open accepts a valid-cookie SYN even when it carries no data. In that case the child...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: obs-server (UTSA-2026-093616)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-093616 advisory. a Improper Access Control vulnerability in of Open Build Service allows remote attackers to read files of an OBS package where the sourceaccess/access is disabled Th...

RHEL 9 : isns-utils (RHSA-2026:60006)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:60006 advisory. The iSNS package contains the daemon and tools to setup a iSNS server, and iSNS client tools. The Internet Storage Name Service iSNS protocol allows...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: obs-server (UTSA-2026-093621)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-093621 advisory. A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. Th...

PT-2026-82217

Name of the Vulnerable Software and Affected Versions OpenMetadata versions prior to 2.0.0 Description The software accepts a caller-supplied post-authentication redirect target and appends the issued token to it. The SamlLoginServlet reads the callback request parameter and stores it in the HTTP...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098839)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098839 advisory. In the Linux kernel, the following vulnerability has been resolved: selinux: allow multiple opens of /sys/fs/selinux/policy Currently there can only be a single open...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: obs-server (UTSA-2026-093229)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-093229 advisory. A Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Open Build Service allows remote attackers to store JS code in...

RHEL 9 : isns-utils (RHSA-2026:59996)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:59996 advisory. The iSNS package contains the daemon and tools to setup a iSNS server, and iSNS client tools. The Internet Storage Name Service iSNS protocol allows...