CVE-2026-90486: openstatusHQ openstatus · Server-Side Request Forgery
Affects openstatusHQ openstatusSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 28 Oct 2026, 05:12 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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:XExploitation evidence
Disclosed: evidence found.
CVE published 12 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| openstatusHQopenstatus | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:openstatushq:openstatus:*:*:*:*:*:*:*:*
AI-suggested
A patch addressing this vulnerability has been silently applied in the openstatusHQ openstatus codebase (commit 86f370c9c20074c3c3fdec53a359874b8e670fd4). Users should update to the latest version incorporating this patch. Since the product uses a rolling release model, ensure the latest updates are applied to mitigate this issue.
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.
References
- vuldb.com/vuln/403074 (opens in a new tab)
- vuldb.com/vuln/403074/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-90486 (opens in a new tab)
- vuldb.com/submit/888087 (opens in a new tab)
- github.com/openstatusHQ/openstatus/pull/2551 (opens in a new tab)
- github.com/openstatusHQ/openstatus/commit/86f370c9c20074c3c3fdec53a359874b8e670fd4 (opens in a new tab)
- github.com/openstatusHQ/openstatus/ (opens in a new tab)