# CVE-2026-90486

## Summary

- **CVE ID:** CVE-2026-90486
- **Severity:** MEDIUM
- **CVSS Score:** 7.5 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X)
- **CWE:** CWE-918
- **Published:** Sep 12, 2026
- **Last Modified:** Sep 15, 2026

## Description

A vulnerability has been found in openstatusHQ openstatus up to f04c827112f30a11d571ebdad3892826034d6265. Affected by this vulnerability is an unknown functionality of the file apps/status-page/src/lib/proxy/resolve-custom-domain-rewrite.ts. The manipulation leads to server-side request forgery. The attack may be initiated remotely. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The identifier of the patch is 86f370c9c20074c3c3fdec53a359874b8e670fd4. It is suggested to install a patch to address this issue. This issue got fixed with a silent patch.

## Affected Products

- openstatusHQ — openstatus (f04c827112f30a11d571ebdad3892826034d6265)

## References

- [CNA](https://vuldb.com/vuln/403074)
- [CNA](https://vuldb.com/vuln/403074/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90486)
- [CNA](https://vuldb.com/submit/888087)
- [CNA](https://github.com/openstatusHQ/openstatus/pull/2551)
- [CNA](https://github.com/openstatusHQ/openstatus/commit/86f370c9c20074c3c3fdec53a359874b8e670fd4)
- [CNA](https://github.com/openstatusHQ/openstatus/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.23%
- **EPSS Percentile:** 14.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._