CVE-2026-0770
CriticalExploitedPublic exploitLangflow affected by Remote Code Execution via validate_code() exec()
Published Jan 23, 2026 · Updated Aug 12, 2026 · Also known as GHSA-g22f-v6f7-2hrh, PYSEC-2026-1525
Key Facts
Patch immediately- CVE-2026-0770 is a critical-severity vulnerability (CVSS 9.3 v4) affecting Langflow.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 14, 2026. Public exploit code is available.
- EPSS estimates a 63% probability of exploitation in the next 30 days.
- Fixed versions are available, including Langflow 1.7.3.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v4
9.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS (30-day exploit likelihood)
63%
Higher than 99.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jul 21, 2026 | Jul 24, 2026 | Not reported |
| Industry KEV feed | Feb 14, 2026 | Jul 24, 2026 | Not reported |
| CIRCL KEV | Jul 21, 2026 | Jul 24, 2026 | Not reported |
| ENISA EUVD | Jul 21, 2026 | n/a | Not reported |
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.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| LangflowLangflow | 1.4.2, >= 1.4.2 | 1.7.3 |
Patched Releases
Langflow
1.7.3
Timeline
Publicly disclosed
Jan 23, 2026
Added to Industry KEV feed
Feb 14, 2026
Added to CISA KEV
Jul 21, 2026
Added to CIRCL KEV
Jul 21, 2026
Added to ENISA EUVD
Jul 21, 2026
Last updated
Aug 12, 2026
Weakness Type
- CWE-829 Inclusion of Functionality from Untrusted Control Sphere
References
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0770.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2026-0770
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere Remote Code Execution Vulnerability.
Affected: Langflow versions 1.4.2, >= 1.4.2. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 14, 2026.
Yes. It was added on Jul 21, 2026 with a federal remediation due date of Jul 24, 2026.
Public exploit code is available.
Fixed versions are available, including Langflow 1.7.3.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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