What is CVE-2026-0768?
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.
The record classifies CVE-2026-0768 under weakness class CWE-94. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 270 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9.8 — CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS (FIRST)
- 23.2% probability of exploitation in the next 30 days, higher than 97.7% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-01-23, last modified 2026-02-26
Is CVE-2026-0768 being exploited?
Weaponised exploit code for CVE-2026-0768 is publicly available. 2 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (http/cves/2026/CVE-2026-0768.yaml). It currently carries a trending score of 39 in the Threadlinqs vulnerability feed.
- HORKimhab/CVE-2026-0768 (github)
- rmhowe425/POC-CVE-2026-0768 (github)
Affected products and versions
- Langflow: Langflow
How to fix CVE-2026-0768
No vendor patch reference has been recorded for CVE-2026-0768 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-0768
1 tracked threat in the Threadlinqs corpus references CVE-2026-0768, either in the campaign’s CVE list or as an indicator on the campaign record.
- CVE-2026-0768: Critical Langflow RCE Vulnerability Under Active Exploitation — CRITICAL · 2026-09-01
Sources
Enriched from CVE.org, FIRST EPSS, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on .