CVE-2026-93447 IBM CVE debrief

Who should care

Defenders responsible for IBM Langflow OSS deployments should assess exposure and prioritize remediation. This includes operators, platform administrators, vulnerability management teams, and security teams. They should verify Langflow OSS presence, review access controls, and apply patches to prevent potential code execution with service process privileges and unauthorized access to sensitive data.

Why it matters

CVE-2026-93447 is a high-severity vulnerability in IBM Langflow OSS that could allow attackers to execute malicious code. Defenders should verify Langflow OSS presence, review access controls, and apply patches.

• Potential code execution with service process privileges
• Possible unauthorized access to sensitive data
• Required verification of Langflow OSS presence and version
• Necessity to review and restrict server secret and Redis access

Technical summary

IBM Langflow OSS 1.0.0 through 1.12.2 is vulnerable to deserialization of untrusted data. An attacker with access to the server secret and Redis write access could submit a malicious serialized cache value, which when retrieved, could execute attacker-controlled code with the privileges of the service process. This vulnerability is a high-severity issue that requires immediate attention from defenders. The affected product is widely used, and exploitation could lead to significant operational impacts. Defenders should prioritize verifying the presence of Langflow OSS within their environment, reviewing server secret and Redis access controls, and applying vendor-provided patches.

Defensive priority

Defenders should prioritize verifying the presence of Langflow OSS within their environment, reviewing server secret and Redis access controls, and applying vendor-provided patches.

Recommended defensive actions

• Verify Langflow OSS presence in environment
• Review server secret and Redis access controls
• Apply vendor-provided patches
• Review compensating controls for exposed systems
• Check relevant monitoring, detection, and logs for exposed assets
• Track exceptions, retest remediated assets
• Plan vendor-supported updates or mitigations

Evidence notes

The CVE record and source item provide details on the vulnerability in IBM Langflow OSS. The NVD entry is currently being processed. Defenders should verify Langflow OSS presence, review access controls, and apply patches. Evidence is limited, and further verification is required to confirm affected scope and severity. The vulnerability is confirmed, but details on exploitation are not publicly available.

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.