CVE-2026-33053: Langflow Missing Ownership Verification in API Key Deletion

# CVE-2026-33053: Langflow Missing Ownership Verification in API Key Deletion

https://gcdradar.vercel.app/incidents/cve-2026-33053-langflow-missing-ownership-verification-in-ap · AIR-2026-0503 · closed 2026-03-18

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-03-18
- AI role: Attack on AI
- Products: Langflow
- CVE ids: CVE-2026-33053
- CVSS: 7.1

## Summary

Langflow fails to verify ownership of API keys when processing deletion requests, leading to an IDOR vulnerability. The issue was disclosed in a security advisory without reports of real-world exploitation.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-03-20: CVE-2026-33053: Langflow is a tool for building and deploying AI-powered agents and workflows. (https://nvd.nist.gov/vuln/detail/CVE-2026-33053)
- 2026-03-18: CVE-2026-33053: Langflow is Missing Ownership Verification in API Key Deletion (IDOR) (https://github.com/advisories/GHSA-rf6x-r45m-xv3w)

## Sources

- 2026-03-18 GitHub Advisory Database: CVE-2026-33053: Langflow is Missing Ownership Verification in API Key Deletion (IDOR) https://github.com/advisories/GHSA-rf6x-r45m-xv3w
- 2026-03-20 NVD: CVE-2026-33053: Langflow is a tool for building and deploying AI-powered agents and workflows. https://nvd.nist.gov/vuln/detail/CVE-2026-33053

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.