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CVE-2026-33053 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 20, 2026

Langflow - Broken Access Control

Published: March 20, 2026Updated: March 20, 2026Remote Exploitable

Overview

Langflow < 1.9.0 contains a broken access control vulnerability caused by delete_api_key_route() endpoint deleting API keys without verifying ownership, letting authenticated users delete others' API keys, exploit requires user authentication.

Severity & Score

Severity: High

CVSS Score: 8.8

Impact

Authenticated users can delete API keys belonging to other users, leading to unauthorized access disruption.

Mitigation

Update to version 1.9.0 or later.

References

https://github.com/langflow-ai/langflow/security/advisories/GHSA-rf6x-r45m-xv3w

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-33053
Severity: High
CVSS Score: 8.8
Type: broken_access_control
Status: confirmed

CWE

CWE-639

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H