CVE-2026-0770
9.8, critical Known exploitedLangflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability
- CVSS
- 9.8, critical critical CVSS v3.0
- EPSS, next 30 days
- 63% higher than 99.1% of scored CVEs
- Exploitation
- Confirmed in the wild
- Published
- 23 Jan 20268 months ago
Known exploited
CISA added this to the Known Exploited Vulnerabilities Catalog on 21 Jul 2026. US federal agencies had to remediate by 24 Jul 2026, a deadline that has passed.
Required action. Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Description
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.
Details
- Vendor
- Langflow
- Product
- Langflow
- Weakness
- CWE-829 (opens in a new tab)
- Status
- Analyzed
- Updated
- 22 Jul 2026
- Assigner
- zdi-disclosures@trendmicro.com
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References 2
The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.
Other Langflow CVEs
Every Langflow CVE we holdSame vendor in what we hold, not a known link between the flaws.
- CVE-2026-55255 Langflow Authorization Bypass Through User-Controlled Key Vulnerability KEV EPSS 0.9% 8.4, high
- CVE-2026-33017 Langflow Code Injection Vulnerability KEV EPSS 25% 9.8, critical
- CVE-2025-34291 Langflow Origin Validation Error Vulnerability KEV EPSS 93% 8.8, high
- CVE-2025-3248 Langflow Missing Authentication Vulnerability KEV EPSS 100% 9.8, critical
Beyond this page
Is CVE-2026-0770 in your network?
This page tells you how dangerous CVE-2026-0770 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.
CVE-2026-0770 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.
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EXYS7600 OCELOT
Find it before attackers do
Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-0770 comes with the devices to patch.
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EXYS7950 KONDRA
Detect it if it's exploited
Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.
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Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.