CVE-2025-3248
Langflow < 1.3.0 Unauthenticated RCE via /api/v1/validate/code
- State
- Published
- Severity
- 9.8 Critical
- Published
- Apr 7, 2025
- Updated
- Oct 8, 2026
- Reserved
- Apr 4, 2025
Description
Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-306 Missing Authentication for Critical Function
Affected Products
| Product | Versions |
|---|---|
langflowlangflow-ai |
|
References
- https://github.com/langflow-ai/langflow/pull/6911issue-tracking
- https://github.com/langflow-ai/langflow/releases/tag/1.3.0release-notes
- https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/exploit
- https://www.vulncheck.com/advisories/langflow-unauthenticated-rcethird-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248government-resource
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