PT-2026-89610

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.11.5 Description A logic error in the static security scanner allows an attacker to bypass security checks by crafting an annotated class-body assignment. This technique uses alias tracking to resolve ...

CVE-2026-81940: Improper Control of Generation of Code

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...

PT-2026-89636

🚨 CVE-2026-81940 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. 🎖@cveNotify...

PT-2026-89617

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.11.5 Description An unauthenticated remote attacker can execute arbitrary OS commands on a Langflow instance by sending a crafted HTTP request. This occurs because the application fails to properly...

PT-2026-89598

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.11.5 Description An unauthenticated attacker can execute arbitrary code and access or modify chat sessions through publicly shared MCP project endpoints. This occurs because of improper enforcement of...

CVE-2026-78571: Improper Control of Generation of Code

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...

CVE-2026-85025: Incorrect Authorization

IBM Langflow OSS 1.0.0 through 1.11.5 Langflow could allow an unauthenticated attacker to execute arbitrary code and access or modify chat sessions through publicly shared MCP project endpoints due to improper enforcement of public-flow security restrictions and session isolation controls...

CVE-2026-78569: Improper Neutralization of Special Elements used in an OS Command

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...

CVE-2026-81213: Server-Side Request Forgery (SSRF)

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...

PT-2026-89631

🚨 CVE-2026-81268 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. 🎖@cveNotify...

PT-2026-89625

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.11.5 Description Remote attackers can execute arbitrary code on the host system due to code injection during graph construction. The issue occurs because the software accepts attacker-controlled node o...

CVE-2026-81268: 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...

PT-2026-89612

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.11.5 Description A remote authenticated attacker can execute arbitrary code because of an unguarded eval function call that processes input controlled by the attacker. Recommendations Update IBM Langfl...

CVE-2026-76059: Protection Mechanism Failure

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...

CVE-2026-81204: Improper Control of Generation of Code

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...

PT-2026-89591

IBM Langflow OSS 1.0.0 through 1.11.5 Langflow could allow an authenticated attacker to access sensitive files belonging to other users due to improper access control in the File/Read File component. When executing flows through the /api/v1/run/advanced/flow id endpoint, the application allows...

CVE-2026-9225: Authorization Bypass Through User-Controlled Key

IBM Langflow OSS 1.0.0 through 1.11.5 Langflow could allow an authenticated attacker to access sensitive files belonging to other users due to improper access control in the File/Read File component. When executing flows through the /api/v1/run/advanced/flowid endpoint, the application allows...

CVE-2026-81941: Improper Access Control

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...

CVE-2026-79723: Server-Side Request Forgery (SSRF)

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...

CVE-2026-79725: Improper Access Control

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...