Partial Server-Side Request Forgery in Home Assistant Core
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Home assistant is an open source home automation. In affected versions the `hassio.addon_stdin` is vulnerable to a partial Server-Side Request Forgery where an attacker capable of calling this service (e.g.: through GHSA-h2jp-7grc-9xpp) may be able to invoke any Supervisor REST API endpoints with a POST request. An attacker able to exploit will be able to control the data dictionary, including its addon and input key/values. This issue has been addressed in version 2023.9.0 and all users are advised to upgrade. There are no known workarounds for this vulnerability. This issue is also tracked as GitHub Security Lab (GHSL) Vulnerability Report: `GHSL-2023-162`.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| home-assistant | core | before 2023.9.0 | 2023.9.0 | Patch available | CNA |
- core Vendorhome-assistant Affected before 2023.9.0 Fixed in 2023.9.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:home-assistant:home-assistant:*:*:*:*:*:*:*:* | before 2023.9.0 | Vulnerable | home-assistant |
- cpe:2.3:a:home-assistant:home-assistant:*:*:*:*:*:*:*:* Versions before 2023.9.0 Vulnerable ·home-assistant
Remediation
- Fix · CNA core (home-assistant) Fixed in 2023.9.0
Timeline
- 2026-10-02 Threatist record created from CVE-2023-41899
References
More Home-assistant vulnerabilities
- TI-2023-12210 Improper authentication in home-assistant core CVSS 3.1CRITICAL 10.0
- TI-2026-25491 Home Assistant has stored XSS in history-graphs CVSS 4.0HIGH 7.3
- TI-2026-25490 Home Assistant has stored XSS in Map-card through malicious device name CVSS 4.0HIGH 7.3
- TI-2026-39212 Home Assistant: Konnected alarm-panel switch state and zone topology disclosed to unauthenticated actors on the LAN CVSS 3.1HIGH 7.6
- TI-2025-40423 Home Assistant Core before v2025.8.0 is vulnerable to Directory Traversal. CVSS 3.1MEDIUM 4.0
- TI-2023-22289 Lack of XFO header allows clickjacking in Home Assistant Core CVSS 3.1CRITICAL 9.6
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences