CVE-2026-90486 openstatusHQ openstatus resolve-custom-domain-rewrite.ts server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the custom domain rewrite logic to access internal resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-90486?
CVE-2026-90486 is a medium-severity server-side request forgery vulnerability in openstatusHQ openstatus, published on 12 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-918
Which versions are affected by CVE-2026-90486?
How do I fix CVE-2026-90486?
No fix has been published for CVE-2026-90486 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-90486 being exploited?
There is no known exploitation of CVE-2026-90486 in the wild and no public exploit code.
Sources
Also known as GHSA-8vvf-7v96-575p.