CVE-2026-0770
Langflow: Inclusion of Functionality from Untrusted Control Sphere
As of , CVE-2026-0770 in Langflow is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch now.
- Exploited
- Yes: CISA listed it on 21 July 2026
- US federal deadline
- 24 July 20263 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- Forensic triage
- Required by CISA under BOD 26-04Agencies must also look for signs that attackers already got in.
- EPSS score
- 0.63Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- Public exploit
- 1 Metasploit module and 1 Exploit-DB entry
- Fix
- Vendor advice: github.comLinks below, from CISA's entry.
What CISA says to do
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.
CISA's required action
What the flaw is
Langflow contains an inclusion of functionality from untrusted control sphere vulnerability that allows remote attackers to execute arbitrary code on affected installations.
CISA's 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.
The CVE record's description, from zdi
- CVE published
- 23 January 2026
- Assigned by
- zdi
- CVSS
- 9.8 Critical (CVSS 3.0, from the CNA)
- CWE-829
- Inclusion of Functionality from Untrusted Control Sphere
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- Exploit-DB published an exploit (EDB-ID 52597).
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Metasploit: Langflow Unauthenticated RCE (validate endpoint)exploit module, rank normal
- Exploit-DB: Langflow 1.3.0 - Remote Code ExecutionEDB-ID 52597, 29 May 2026
Langflow: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2026-55255Authorization Bypass Through User-Controlled Key | Langflow Langflow | Patch nowForensic triage required by CISA | 0.01 | ||
| CVE-2025-3248Missing Authentication | Langflow Langflow | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2026-33017Code Injection | Langflow Langflow | Patch this weekMetasploit module | 0.25 | ||
| CVE-2025-34291Origin Validation Error | Langflow Langflow | Patch this weekEPSS 0.93 | 0.93 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org