Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's Flow
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| langflow-ai | langflow | affected |
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No data.
| Vendor | Product | Versions | ||||||||
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| Langflow | Langflow |
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| Source | ID | Title |
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Github GHSA |
GHSA-qrpv-q767-xqq2 | Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's Flow |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is in the KEV database since July 7, 2026.
Exploit prediction score: < 1% (0.887% probability within 30 days)
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| Description | Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, an Insecure Direct Object Reference (IDOR) vulnerability in /api/v1/responses endpoint allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request. This vulnerability is fixed in 1.9.2. | Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.1, an Insecure Direct Object Reference (IDOR) vulnerability in /api/v1/responses endpoint allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request. This vulnerability is fixed in 1.9.1. |
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| Metrics |
cvssV3_1
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cvssV3_1
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| References |
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ssvc
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ssvc
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kev
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| First Time appeared |
Langflow
Langflow langflow |
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| Vendors & Products |
Langflow
Langflow langflow |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, an Insecure Direct Object Reference (IDOR) vulnerability in /api/v1/responses endpoint allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request. This vulnerability is fixed in 1.9.2. | |
| Title | Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's Flow | |
| Weaknesses | CWE-639 | |
| References |
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| Metrics |
cvssV3_1
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