CVE-2026-0770: Langflow | defend.network

What is CVE-2026-0770?

Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the exec_globals parameter provided to the validate endpoint. The issue results from the inclusion of a resource from an untrusted control sphere. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-27325.

CVSS9.8 NVD 3.0

SeverityCRITICAL

Exploitation In the wild In CISA KEV

EPSS63% · P99

Triage statusActive Exploit

ActionPatch immediately

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWECWE-829

NVD published2026-01-23

NVD last modified2026-07-22

Timeline

2026-01-23Published to the U.S. National Vulnerability Database (NVD)
2026-07-21Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
2026-07-22NVD record last updated
2026-07-24First covered in a defend.network daily briefing
2026-07-24CISA federal remediation deadline (BOD 22-01)

CISA Known Exploited Vulnerability

Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability

Added to KEV2026-07-21

Federal patch deadline2026-07-24

Known ransomware useUnknown

Affected product

Langflow

Remediation Steps

Apply the vendor security update for Langflow as a priority.
Restrict network exposure of the affected service to trusted sources until patched.
Review logs and detections for indicators of exploitation.
Confirm fixed versions against the official vendor advisory before deploying.

References

Referenced in our briefings & reports

Vulnerability Priority Report – Week 3 of August 2026 (August 17 – 23)
Vulnerability Priority Report – Week 2 of August 2026 (August 10 – 16)
Vulnerability Priority Report – Week 1 of August 2026 (August 3 – 9)
Vulnerability Priority Report – Week 4 of July 2026 (July 27 – August 2)
Vulnerability Priority Report – Week 3 of July 2026 (July 20 – 26)
Zimbra zero-day exploited by Laundry Bear; Langflow RCE added to KEV (2026-07-24)

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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.