# CVE-2026-104328: IBM Langflow OSS code injection in OS command

Source: https://junglewise.ai/threats/cve-2026-104328-ibm-langflow-oss-1-0-0-through-1-12-3-could-allow-a-remote  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-29. Updated: 2026-10-29  
License: CC BY 4.0 with a link back

CVE-2026-104328 · Severity: high · CVSS 8.8 · Published 2026-10-29

IBM Langflow OSS is a low-code platform for building AI applications. A flaw in the way it processes OS commands allows an authenticated attacker to inject arbitrary commands and execute malicious code on the server. An attacker could gain complete control of the affected system, steal sensitive data, or disrupt operations.

Technologies: [IBM Langflow OSS](https://junglewise.ai/threats/technologies/langflow-oss). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-104328 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-104328 being exploited in the wild.

**How severe is CVE-2026-104328?** High severity, with a CVSS score of 8.8, published 29 October 2026.

**Which products and versions are affected?** IBM Langflow OSS 1.0.0 through 1.12.3.

**Is there a fix for CVE-2026-104328?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-104328 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-104328?** Check whether you run IBM Langflow OSS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

CVE-2026-104328 is a code injection vulnerability (CWE-94) arising from improper neutralization of special elements in OS command construction. The vulnerability requires an authenticated attacker and network access; no user interaction is needed. Successful exploitation grants remote code execution with the privileges of the Langflow process.

## Affected products

- IBM Langflow OSS 1.0.0 through 1.12.3

## Timeline

- 2026-10-29: disclosed

## References

- [https://www.ibm.com/support/pages/node/7293015](https://www.ibm.com/support/pages/node/7293015)

## Related threats

- [IBM Langflow OSS path traversal arbitrary file read and write](https://junglewise.ai/threats/cve-2026-97677-ibm-langflow-oss-1-0-0-through-1-12-2-an-authenticated-flow)
- [IBM Langflow OSS authentication bypass](https://junglewise.ai/threats/cve-2026-93680-ibm-langflow-oss-1-0-0-through-1-12-8-could-allow-a-remote)
- [IBM Langflow OSS denial of service via resource exhaustion](https://junglewise.ai/threats/cve-2026-90991-ibm-langflow-oss-1-0-0-through-1-12-4-could-allow-a-remote)
- [IBM Langflow OSS path traversal arbitrary file overwrite](https://junglewise.ai/threats/cve-2026-77819-ibm-langflow-oss-1-0-0-through-1-12-3-could-allow-a-remote)
- [IBM Langflow OSS improper sanitization of secrets in exports](https://junglewise.ai/threats/cve-2026-77817-ibm-langflow-oss-1-0-0-through-1-12-4-could-allow-a-remote)