Quick answers
- Is CVE-2026-104334 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-104334 being exploited in the wild.
- How severe is CVE-2026-104334?
- Critical severity, with a CVSS score of 9.8, published 7 October 2026.
- Which products and versions are affected?
- IBM Langflow OSS 1.0.0 through 1.12.2.
- Is there a fix for CVE-2026-104334?
- 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-2026-104334 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-104334?
- 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-2026-104334 is a code injection vulnerability (CWE-94) in Langflow OSS's code generation mechanism that lacks proper input sanitization. The vulnerability is remotely exploitable over the network with no authentication or user interaction required, allowing unauthenticated attackers to inject and execute arbitrary code. Multiple related CVEs exist in the same affected versions, involving additional code injection vectors, path traversal, and access control bypasses.
Affected products
- IBM Langflow OSS 1.0.0 through 1.12.2
Timeline
- 2026-10-07: disclosed