homeassistant-ai ha-mcp up to 6.x /api/config server-side request forgery
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in homeassistant-ai ha-mcp up to 6.x. Affected by this issue is some unknown functionality of the file /api/config. Such manipulation leads to server-side request forgery. This vulnerability is uniquely identified as CVE-2026-32111. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability was found in homeassistant-ai ha-mcp up to 6.x and classified as critical. Affected by this issue is an unknown functionality of the file /api/config. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. CVE summarizes:
ha-mcp is a Home Assistant MCP Server. Prior to 7.0.0, the ha-mcp OAuth consent form (beta feature) accepts a user-supplied ha_url and makes a server-side HTTP request to {ha_url}/api/config with no URL validation. An unauthenticated attacker can submit arbitrary URLs to perform internal network reconnaissance via an error oracle. Two additional code paths in OAuth tool calls (REST and WebSocket) are affected by the same primitive. The primary deployment method (private URL with pre-configured HOMEASSISTANT_TOKEN) is not affected. This vulnerability is fixed in 7.0.0.
The advisory is available at github.com. This vulnerability is handled as CVE-2026-32111 since 03/10/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
Upgrading to version 7.0.0 eliminates this vulnerability.
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Product
Type
Vendor
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.2
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.3
CNA Vector (GitHub_M): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Server-side request forgeryCWE: CWE-918
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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: ha-mcp 7.0.0
Timeline
03/10/2026 CVE reserved03/12/2026 Advisory disclosed
03/12/2026 VulDB entry created
03/17/2026 VulDB entry last update
Sources
Product: github.comAdvisory: GHSA-fmfg-9g7c-3vq7
Status: Confirmed
CVE: CVE-2026-32111 (🔒)
GCVE (CVE): GCVE-0-2026-32111
GCVE (VulDB): GCVE-100-350582
Entry
Created: 03/12/2026 04:44Updated: 03/17/2026 04:49
Changes: 03/12/2026 04:44 (66), 03/17/2026 04:49 (1)
Complete: 🔍
Cache ID: 216::103
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