# CVE-2026-110309: IBM Langflow OSS improper code generation control

Source: https://junglewise.ai/threats/cve-2026-110309-ibm-langflow-oss-1-0-0-through-1-12-4-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-2026-110309 · Severity: high · CVSS 8.8 · Published 2026-10-29

IBM Langflow OSS is a low-code platform for building AI applications. A vulnerability in code generation controls allows authenticated attackers to execute arbitrary commands on the server. An attacker with legitimate access could compromise the entire system, steal data, or use it as a foothold for further attacks.

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

## Quick answers

**Is CVE-2026-110309 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-110309 being exploited in the wild.

**How severe is CVE-2026-110309?** 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 1.12.4.

**Is there a fix for CVE-2026-110309?** 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-2026-110309 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-110309?** 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-2026-110309 involves improper control of code generation in IBM Langflow OSS versions 1.0.0 through 1.12.4. An authenticated network attacker can bypass security controls and execute arbitrary commands in the server's runtime context. The vulnerability requires valid authentication but no additional user interaction, allowing full compromise of confidentiality, integrity, and availability.

## Affected products

- IBM Langflow OSS 1.0.0 through 1.12.4

## Timeline

- 2026-10-29: disclosed

## References

- [https://www.ibm.com/support/pages/node/7293016](https://www.ibm.com/support/pages/node/7293016)

## 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)