CVE-2026-34046
high
CVSS v3
8.8
CVSS v2
—
VIR risk
8.8
Description
Langflow: Authenticated Users Can Read, Modify, and Delete Any Flow via Missing Ownership Check
Predictions
Exploit likelihood
92%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: security-advisories@github.com — https://github.com/langflow-ai/langflow/security/advisories/GHSA-8c4j-f57c-35cf
Vendor advisory: security-advisories@github.com — https://github.com/langflow-ai/langflow/pull/8956
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | langflow | <1.5.1 | 1.5.1 |
| PyPI | langflow-base | <0.5.1 | 0.5.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| langflow | langflow | {"endExcluding":"1.5.0"} | 1.5.0 |
| langflow | langflow | 1.5.0 | |
| langflow | langflow-base | {"endExcluding":"0.5.1"} | 0.5.1 |
References
CWEs
CWE-639 CWE-862
Verify integrity in audit chain (admin only). AS-IS.