Quick answers
- Is CVE-2026-107327 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-107327 being exploited in the wild.
- How severe is CVE-2026-107327?
- Critical severity, with a CVSS score of 9.9, 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-2026-107327?
- 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-2026-107327 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-107327?
- 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
The vulnerability stems from missing authorization checks in code-execution components within Langflow OSS. An authenticated attacker can configure built-in code-execution components with malicious inputs, bypassing administrator-only restrictions that should prevent this. The flaw affects versions 1.0.0 through 1.12.4 and allows remote code execution in the server process context.
Affected products
- IBM Langflow OSS 1.0.0 through 1.12.4
Timeline
- 2026-10-29: disclosed