CVE-2026-0768
CriticalExploitedPublic exploitLangflow code Code Injection Remote Code Execution Vulnerability
Published Jan 23, 2026 · Updated Aug 12, 2026
Key Facts
Patch immediately- CVE-2026-0768 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Langflow.
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Aug 29, 2026. Public exploit code is available.
- EPSS estimates a 23% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
23%
Higher than 97.7% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-0768 brief as a PDF
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Aug 29, 2026 | n/a | Not reported |
| CIRCL KEV | Aug 29, 2026 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| LangflowLangflow | 1.4.2, >= 1.4.2 | n/a |
Timeline
Publicly disclosed
Jan 23, 2026
Last updated
Aug 12, 2026
Added to Industry KEV feed
Aug 29, 2026
Added to CIRCL KEV
Aug 29, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0768.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2026-0768
- exploitMSF langflow_unauth_rce_cve_2026_0768.rb
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Langflow code Code Injection 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 Industry KEV feed, CIRCL KEV since Aug 29, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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