CVE-2026-13448
HIGH
8.1
CVSS 3.1
Description
IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint ( /api/v1/build_public_tmp/{flow_id}/flow ). The vulnerability stems from an incomplete denylist in the validate_public_flow_no_code_execution() function that fails to block several code-execution agent components including OpenDsStarAgent, CodeActAgentSmolagents, and CSVAgent.
Metadata
Severity & Metrics
8.1
HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| IBM | Langflow OSS | — | 1.0.0 ≤ 1.10.1 |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 8.1 | HIGH | 3.1 | cna | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (1)