CVE-2026-97677 PUBLISHED

Langflow OSS is affected by multiple vulnerabilities

Assigner: ibm
Reserved: 24.09.2026 Published: 08.11.2026 Updated: 08.11.2026

IBM Langflow OSS 1.0.0 through 1.12.2 An authenticated flow author could write attacker-controlled file content into any directory writable by the service account, bypassing the platform's local file access isolation safeguard. Via a crafted on-disk index, the attacker could also read the contents of arbitrary files accessible to the service process — including configuration files, secrets, or database files stored under the application's data directory.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS Score: 8.1

Product Status

Vendor IBM
Product Langflow OSS
Versions
  • affected from 1.0.0 to 1.12.2 (incl.)

Solutions

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.12.3. https://pypi.org/project/langflow/#description

References

Problem Types

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE