CVE-2026-7528

Unauthenticated File Upload Vulnerability Allows Disk Space Exhaustion and Path Disclosure in Langflow OSS

Published May 27, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
IBM Langflow OSS 1.0.0 through 1.9.0 could allow a denial of service due to uncontrolled resource consumption.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.9.2.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Langflow
Langflow langflow
CPEs cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*
Vendors & Products Langflow
Langflow langflow
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM Langflow OSS 1.0.0 through 1.9.0 could allow a denial of service due to uncontrolled resource consumption.
Title Unauthenticated File Upload Vulnerability Allows Disk Space Exhaustion and Path Disclosure in Langflow OSS
First Time appeared Ibm
Ibm langflow Oss
Weaknesses CWE-400
CPEs cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:langflow_oss:1.9.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm langflow Oss
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
May 27, 2026, 3:30 PM
Reserved
Apr 30, 2026, 5:42 PM
Status
Analyzed
Published
May 27, 2026, 2:17 PM
Modified
Oct 26, 2026, 12:10 AM