Path traversal in Langflow - CVE-2026-33497
Published: April 24, 2026
Vulnerability identifier: #VU127536
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33497
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Langflow
Affected software:
Langflow
Langflow
Detailed vulnerability description
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to path traversal in the GET /api/v1/files/profile_pictures/{folder_name}/{file_name} endpoint when handling user-supplied path parameters. A remote attacker can supply crafted traversal sequences to disclose sensitive information.
Exposed files may include the application's secret_key used to sign JWT tokens.
How to mitigate CVE-2026-33497
Install security update from vendor's website.