Critical severity · published Jan 23, 2026
CVE-2026-0768
Langflow code Code Injection Remote Code Execution Vulnerability
9.8
CVSS
28.1%
EPSS
No
On KEV
Description
Langflow code Code Injection 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 code parameter provided to the validate endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute Python code. An attacker can leverage this vulnerability to execute code in the context of root.
. Was ZDI-CAN-27322.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)28.1% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LA
Langflow · Langflow
1.4.2 · source: NVD
In the news
VulnerabilityHigh
Critical Langflow Flaw Exploited as Attacks on AI Platform Rise
The attacks targeting CVE-2026-0768 are the latest threat against the low-code AI development platform, which is receiving more attention from adversaries this year.
Sep 1, 2026·Dark Reading
VulnerabilityCritical
Attackers Exploit Critical Langflow and Rails Flaws in Credential-Probing and C2 Activity
Threat actors are exploiting two critical flaws impacting Langflow and Ruby on Rails, according to new findings from VulnCheck.
The vulnerabilities in question are listed below -
CVE-2026-0768 (CVSS score: 9.8) - A lack of proper validation of a user-supplied input vulnerability that could be exploited to execute arbitrary Python code in the context of the root user.
CVE-2026-66066 aka
Sep 1, 2026·The Hacker News
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0768
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0768
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-26-034/
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