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High 8.1Published Jul 17, 2026

CVE-2026-13448Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints

Updated under an hour ago ()

Does this affect you?

It affects IBM Langflow OSS and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-184
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
ibm
NVD analysis
Modified
Record last updated
Jul 22, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
IBM Langflow OSS
ibm:langflow_oss
from 1.0.0 through 1.10.1
CNA record
langflow langflow
langflow:langflow
from 1.0.0 before 1.10.2
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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