Vulnerability Description
IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flow_id to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for another user's flow.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Langflow | Langflow | >= 1.0.0, < 1.9.0 |
Related Weaknesses (CWE)
References
- https://www.ibm.com/support/pages/node/7270886Third Party Advisory
FAQ
What is CVE-2026-6542?
CVE-2026-6542 is a vulnerability with a CVSS score of 6.5 (MEDIUM). IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flow_id to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for ano...
How severe is CVE-2026-6542?
CVE-2026-6542 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-6542?
Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow.