CVE-2026-0771 json
Langflow PythonFunction Code Injection Remote Code Execution Vulnerability
published 2026-01-23 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-4460
- cvss
- 7.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
Langflow PythonFunction Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Attack vectors and exploitability will vary depending on the configuration of the product.
The specific flaw exists within the handling of Python function components. Depending upon product configuration, an attacker may be able to introduce custom Python code into a workflow. An attacker can leverage this vulnerability to execute code in the context of the application. Was ZDI-CAN-27497.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 9 mo ago
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.1 | CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Langflow Langflow
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
zerodayinitiative.com
/advisories/ZDI-26-037/
third-party-advisory
Sources
- CVE List CVE-2026-0771
- NVD CVE-2026-0771
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.