CVE-2026-86087 IBM® Db2® could allow an authenticated user to send a specially crafted request to write arbitrary files on the system

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an authenticated user to send a specially crafted request to write arbitrary files on the system...

CVE-2026-86093 IBM® Db2® federated server could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands under certain conditions

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands on Db2 clients due to a stack-based buffer overflow that improperly copies user-controlled data into a fixed-size stack...

CVE-2026-86093

IBM Db2 versions 11.5.0–11.5.9 and 12.1.0–12.1.5 (Client, Server, and Db2 Connect editions, all platforms) are affected by a stack-based buffer overflow (CWE-121) in the DRDA server endpoint handling. An attacker who can control or impersonate a DRDA server endpoint can copy user-controlled data ...

CVE-2026-86093 IBM® Db2® federated server could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands under certain conditions

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands on Db2 clients due to a stack-based buffer overflow that improperly copies user-controlled data into a fixed-size stack...

CVE-2026-87958

IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.5 are vulnerable to a denial of service condition in which a specific server functionality can be disabled by a privileged user under certain conditions. The CVSS v3.1 score is 8.1 (HIGH) with high impact on both integrity and availab...

CVE-2026-87958 IBM® Db2® is vulnerable to a denial of service where a specific functionality on a Db2 server can be disabled by a privileged user under certain conditions

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a denial of service where a specific functionality on a Db2 server can be disabled by a privileged user under certain conditions...

CVE-2026-87958 IBM® Db2® is vulnerable to a denial of service where a specific functionality on a Db2 server can be disabled by a privileged user under certain conditions

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a denial of service where a specific functionality on a Db2 server can be disabled by a privileged user under certain conditions...

Security Bulletin: IBM® Db2® federated server is affected by a vulnerability in bcprov-jdk18on-1.82 (CVE-2026-0636)

Summary IBM® Db2® federated server is affected by a vulnerability in bcprov-jdk18on-1.82 CVE-2026-0636 Vulnerability Details CVEID:CVE-2026-0636 DESCRIPTION: Improper neutralization of special elements used in an LDAP query 'LDAP injection' vulnerability in Legion of the Bouncy Castle Inc. BC-JAV...

Security Bulletin: IBM® Db2® federated server is affected by a vulnerability in fabric-sdk-java (CVE-2026-41586)

Summary IBM® Db2® federated server is affected by a vulnerability in fabric-sdk-java Vulnerability Details CVEID:CVE-2026-41586 DESCRIPTION: Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. From versions 1.0.0 to 2.2.26...

Security Bulletin: IBM® Db2® federated server is affected by multiple vulnerabilities in Netty open source libraries.

Summary IBM® Db2® federated server is affected by multiple vulnerabilities in Netty open source libraries. Vulnerability Details CVEID:CVE-2026-55831 DESCRIPTION: Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final,...

Security Bulletin: IBM® Db2® federated server could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands under certain conditions (CVE-2026-86093)

Summary IBM® Db2® federated server could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands on Db2 clients due to a stack-based buffer overflow that improperly copies user-controlled data into a fixed-size stack buffer without bounds...

Security Bulletin: IBM® Db2® federated server could allow a remote authenticated attacker to cause a denial of service due to a null pointer dereference (CVE-2026-16702)

Summary IBM® Db2® federated server could allow a remote authenticated attacker to cause a denial of service due to a null pointer dereference CVE-2026-16702 Vulnerability Details CVEID:CVE-2026-16702 DESCRIPTION: DB2 for Linux, UNIX and Windows includes DB2 Connect Server could allow a remote...

Security Bulletin: IBM Db2 Mirror for i is vulnerable to Authentication Bypass by Spoofing [CVE-2026-18065]

Summary The IBM Db2 Mirror for i GUI is vulnerable to Authentication Bypass by Spoofing CVE-2026-18065 as described in the vulnerability details section. Vulnerability Details CVEID:CVE-2026-18065 DESCRIPTION: IBM i could allow a remote unauthenticated attacker to gain access to sensitive...

Security Bulletin: IBM Db2 Mirror for i is vulnerable to Cross-Site Request Forgery [CVE-2026-17047]

Summary The IBM Db2 Mirror for i GUI is vulnerable to Cross-Site Request Forgery CVE-2026-17047 as described in the vulnerability details section. Vulnerability Details CVEID:CVE-2026-17047 DESCRIPTION: IBM Db2 Mirror for i could allow a remote attacker to obtain sensitive information due to...

Security Bulletin: Multiple vulnerabilities affects IBM Db2 Big SQL on IBM Software Hub

Summary Multiple vulnerabilities affects IBM Db2 Big SQL on IBM Software Hub 5.4 and earlier. Vulnerability Details CVEID:CVE-2026-53655 DESCRIPTION: node-tar is a full-featured Tar for Node.js. Prior to 7.5.16, tar node-tar applies a PAX extended header's size= record and other PAX overrides to...

CVE-2026-86093: Stack-based Buffer Overflow

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands on Db2 clients due to a stack-based buffer overflow that improperly copies user-controlled data into a fixed-size stack...

CVE-2026-87958: Improper Privilege Management

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a denial of service where a specific functionality on a Db2 server can be disabled by a privileged user under certain conditions...

CVE-2026-86087: Improper Limitation of a Pathname to a Restricted Directory

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an authenticated user to send a specially crafted request to write arbitrary files on the system...

PT-2026-89601

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a denial of service where a specific functionality on a Db2 server can be disabled by a privileged user under certain conditions...

PT-2026-89599

Name of the Vulnerable Software and Affected Versions IBM Db2 versions 11.5.0 through 11.5.9 IBM Db2 versions 12.1.0 through 12.1.5 Description An authenticated user can send a specially crafted request to write arbitrary files on the system. Recommendations At the moment, there is no information...