Quick answers
- Is CVE-2026-104324 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-104324 being exploited in the wild.
- How severe is CVE-2026-104324?
- 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-2026-104324?
- 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-2026-104324 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-104324?
- 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 exists in versions 1.0.0 through 1.12.3 where untrusted data is deserialized without proper validation (CWE-502). An authenticated attacker with network access can exploit this to achieve remote code execution with high impact (confidentiality, integrity, availability). No user interaction is required.
Affected products
- IBM Langflow OSS 1.0.0 through 1.12.3
Timeline
- 2026-10-29: disclosed