CVE-2026-104335 IBM CVE debrief

Who should care

Defenders responsible for Langflow OSS deployments should assess exposure and prioritize verifying proper access controls to prevent potential arbitrary code execution.

Why it matters

CVE-2026-104335 is a high-severity vulnerability in Langflow OSS that allows remote authenticated attackers to execute arbitrary code. Defenders should prioritize verifying exposure and assessing potential impact, focusing on Langflow OSS deployments and ensuring proper access controls are in place.

• Potential arbitrary code execution on vulnerable Langflow OSS systems
• Need to verify proper access controls are in place to prevent exploitation
• Possible impact on system integrity and confidentiality if exploited

Technical summary

The CVE record describes a vulnerability in Langflow OSS, allowing remote authenticated attackers to execute arbitrary code due to improper access control. The affected versions are 1.0.0 through 1.12.2. This high-severity vulnerability has a CVSS score of 8.8, indicating a significant risk to Langflow OSS deployments. Defenders should prioritize verifying exposure and assessing potential impact, focusing on Langflow OSS deployments and ensuring proper access controls are in place.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact, focusing on Langflow OSS deployments and ensuring proper access controls are in place.

Recommended defensive actions

• Verify Langflow OSS deployments to ensure proper access controls are in place
• Assess potential impact of arbitrary code execution on Langflow OSS systems
• Review and update Langflow OSS versions to ensure they are not vulnerable

Evidence notes

The CVE record and source item provide details on the vulnerability, including its CVSS score of 8.8 and affected versions of Langflow OSS. The vulnerability allows remote authenticated attackers to execute arbitrary code due to improper access control. Defenders should verify exposure and assess potential impact, focusing on Langflow OSS deployments and ensuring proper access controls are in place. The source item and CVE record are the primary sources of information for this debrief.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.