CVE-2026-12822

MEDIUM 5.3

langflow-ai langflow Bundle URL Loader code injection

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was identified in langflow-ai langflow up to 1.9.3. This affects an unknown function of the component Bundle URL Loader. The manipulation leads to code injection. The attack needs to be performed locally. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-94 CWE-74
Vendor	langflow-ai
Product	langflow
Published	Jun 21, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

langflow-ai / langflow

1.9.0 1.9.1 1.9.2 1.9.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/372612 vuldb.com: https://vuldb.com/vuln/372612/cti vuldb.com: https://vuldb.com/cve/CVE-2026-12822 vuldb.com: https://vuldb.com/submit/837582 github.com: https://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.md

Credits

🔍 ST4R (VulDB User) VulDB CNA Team