CVE-2026-8476
IBM Langflow OSS versions 1.0.0 through 1.10.0 contain a critical flaw in how the software handles cached data on disk. The system uses an unsafe method to process these files, which allows an attacker to execute unauthorized commands.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
Users running IBM Langflow OSS versions 1.0.0 through 1.10.0.
Real-world impact
An attacker could gain complete control over the server running Langflow, allowing them to execute arbitrary code with the same privileges as the application itself.
Why this severity
The score of 9.9 is critical because the vulnerability can be exploited remotely and allows for total loss of confidentiality, integrity, and availability.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
NVD description
Timeline
- Jul 17, 2026 · 16d agoPublishedDisclosed and added to the National Vulnerability Database.
- Jul 23, 2026 · 10d agoAdvisory updatedThe NVD record was last revised.
How it’s attacked
References & advisories
- ibm.com/support/pages/node/7278922vendor advisory