Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-c995-4fw3-j39m
Advisory ID github_osv/GHSA-c995-4fw3-j39m
Aliases
Summary Duplicate Advisory: Langflow Vulnerable to Code Injection via the `/api/v1/validate/code` endpoint ### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rvqx-wpfh-mfx7. This link is maintained to preserve external references. ### Original 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.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-94 Improper Control of Generation of Code ('Code Injection')
CWE-306 Missing Authentication for Critical Function
System Score Found at
cvssv3.1 9.8 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-c995-4fw3-j39m/GHSA-c995-4fw3-j39m.json
generic_textual CRITICAL
Reference id Reference type URL
https://github.com/langflow-ai/langflow
https://github.com/langflow-ai/langflow/pull/6911
https://github.com/langflow-ai/langflow/releases/tag/1.3.0
https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai
CVE-2025-3248 https://nvd.nist.gov/vuln/detail/CVE-2025-3248
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-c995-4fw3-j39m/GHSA-c995-4fw3-j39m.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.