VDB-351975 · CVE-2026-33053 · GHSA-rf6x-r45m-xv3w

langflow-ai langflow up to 1.8.x delete_api_key_route api_key_id authorization

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7.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in langflow-ai langflow up to 1.8.x. This affects the function delete_api_key_route. Performing a manipulation of the argument api_key_id results in authorization. This vulnerability is known as CVE-2026-33053. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in langflow-ai langflow up to 1.8.x. This affects the function delete_api_key_route. The manipulation of the argument api_key_id with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. This is going to have an impact on integrity, and availability. The summary by CVE is:

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the delete_api_key_route() endpoint accepts an api_key_id path parameter and deletes it with only a generic authentication check (get_current_active_user dependency). However, the delete_api_key() CRUD function does NOT verify that the API key belongs to the current user before deletion.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-33053 since 03/17/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 1.9.0 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Artificial Intelligence Software

Vendor

langflow-ai

Name

langflow

Version

Website

Product: https://github.com/langflow-ai/langflow/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: langflow 1.9.0

Timelineinfo

03/17/2026 CVE reserved
03/20/2026 +3 days Advisory disclosed
03/20/2026 +0 days VulDB entry created
03/26/2026 +6 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-rf6x-r45m-xv3w
Status: Confirmed

CVE: CVE-2026-33053 (🔒)
GCVE (CVE): GCVE-0-2026-33053
GCVE (VulDB): GCVE-100-351975

Entryinfo

Created: 03/20/2026 08:34
Updated: 03/26/2026 11:53
Changes: 03/20/2026 08:34 (69), 03/26/2026 11:53 (12)
Complete: 🔍
Cache ID: 216::103