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CVE-2026-12728

IBM MQ Java messaging is vulnerable to remote code execution

IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow an authenticated attacker to execute arbitrary code due to a deserialization of untrusted data.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Mq
CVE-2026-81941

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 allows an authenticated non-administrative user could execute arbitrary operating system commands on the server at the privilege level of the application process by constructing a flow with an MCP Tools component configured to use a local stdio subprocess transport. This bypasses both the LANGFLOW_CUSTOM_COMPONENT_ADMIN_ONLY and LANGFLOW_BLOCK_CODE_INTERPRETER_COMPONENTS server-side controls intended to prevent exactly this class of access. Successful exploitation could lead to arbitrary command execution, sensitive data exposure (including credentials from the process environment), file system modification, and lateral movement to services reachable from the server.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-81940

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary code due to improper neutralization of special characters in flow display names.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-81268

Langflow is vulnerable to authentication bypass and insufficient session expiration

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute flows and obtain sensitive information due to insufficient session expiration of API keys after user deactivation.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-81265

Langflow is vulnerable to server-side request forgery due to missing egress validation on server-side URL fetches

IBM Langflow OSS 1.0.0 through 1.11.5.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-81213

Langflow is vulnerable to server-side request forgery due to missing egress validation on server-side URL fetches

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to obtain sensitive information from internal network resources due to improper validation of user-supplied URLs.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-81211

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-81204

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to execute arbitrary code due to code injection during graph construction.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-79742

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary code due to an incomplete environment variable blocklist.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-79725

Langflow is vulnerable to unauthorized file system access due to path traversal and missing storage path validation

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to read arbitrary files due to improper access control.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-79724

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to execute arbitrary OS commands due to improper neutralization of special elements used in an OS command.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-79723

Langflow is vulnerable to server-side request forgery due to missing egress validation on server-side URL fetches

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to obtain sensitive information due to improper validation of user-controlled API endpoints.

CVSS 3.1 · 5 Medium EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-78575

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of command-line arguments in the MCP stdio server configuration.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-78571

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary code due to an unguarded eval() call on attacker-controlled input.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-78569

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow an authenticated attacker to execute arbitrary code due to an incomplete denylist in the security scanner.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-76059

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 An attacker who could submit custom component source code could bypass the static security scanner by crafting an annotated class-body assignment that resolved to a dangerous callable through alias tracking; the resolved value was never checked against the dangerous callable blocklist due to the logic error. If the crafted component reached the runtime execution path, the attacker could cause arbitrary operating system commands to execute on the server in-process, with the privileges of the running service.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Ibm Langflow
Products
Langflow Oss Langflow
CVE-2026-80436

DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to cause a denial of service by deleting arbitrary RabbitMQ queues or exchanges due to improper authorization.

CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Datastage On Cloud Pak For Data
CVE-2026-80434

DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to manipulate runtime caches and cause a denial of service due to an insecure direct object reference.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Datastage On Cloud Pak For Data
CVE-2026-80424

DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to create arbitrary files due to path traversal during archive extraction.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Datastage On Cloud Pak For Data