PT-2026-53466 · Pypi · Langflow-Base

Published 2026-06-29 · Updated 2026-06-29

OSV

CVSS v4.0

9.3

Critical

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A

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.

Fix

Related Identifiers

PYSEC-2026-380

Affected Products

Langflow-Base

References · 12

• https://osv.dev/vulnerability/PYSEC-2026-380 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-3248 · Security Note
• https://github.com/langflow-ai/langflow · Note
• https://github.com/langflow-ai/langflow/releases/tag/1.3.0 · Note
• https://github.com/langflow-ai/langflow/commit/faac4db133de32fcb6d483fa9ff52f40ce42bdc0 · Note
• https://github.com/langflow-ai/langflow/security/advisories/GHSA-rvqx-wpfh-mfx7 · Note
• https://github.com/langflow-ai/langflow/pull/6911 · Note
• https://vulncheck.com/advisories/langflow-unauthenticated-rce · Note
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248 · Note
• https://github.com/advisories/GHSA-rvqx-wpfh-mfx7 · Note
• https://horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai · Note
• https://pypi.org/project/langflow-base · Note