VDB-403074 · Submit #888087 · CVE-2026-90486

openstatusHQ openstatus up to f04c827112f30a11d571ebdad3892826034d6265 resolve-custom-domain-rewrite.ts server-side request forgery

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	2.01+

Summaryinfo

A vulnerability classified as critical was found in openstatusHQ openstatus up to f04c827112f30a11d571ebdad3892826034d6265. Affected by this issue is some unknown functionality of the file apps/status-page/src/lib/proxy/resolve-custom-domain-rewrite.ts. The manipulation results in server-side request forgery. This vulnerability is cataloged as CVE-2026-90486. The attack may be launched remotely. There is no exploit available. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. A patch should be applied to remediate this issue. This issue got fixed with a silent patch.

Detailsinfo

A vulnerability classified as critical has been found in openstatusHQ openstatus up to f04c827112f30a11d571ebdad3892826034d6265. Affected is an unknown function of the file apps/status-page/src/lib/proxy/resolve-custom-domain-rewrite.ts. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-90486. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

This issue got fixed with a silent patch.

Applying the patch 86f370c9c20074c3c3fdec53a359874b8e670fd4 is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

openstatusHQ

Name

openstatus

Version

f04c827112f30a11d571ebdad3892826034d6265

License

open-source

Website

Product: https://github.com/openstatusHQ/openstatus/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 86f370c9c20074c3c3fdec53a359874b8e670fd4

Timelineinfo

09/12/2026 Advisory disclosed
09/12/2026 +0 days VulDB entry created
09/12/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 2551
Status: Confirmed

CVE: CVE-2026-90486 (🔒)
GCVE (CVE): GCVE-0-2026-90486
GCVE (VulDB): GCVE-100-403074

Entryinfo

Created: 09/12/2026 10:09
Changes: 09/12/2026 10:09 (57)
Complete: 🔍
Submitter: erickfernandox
Cache ID: 216::103

Submitinfo

Accepted

Submit #888087: openstatusHQ openstatus > 2026-04-19 Server-Side Request Forgery (by erickfernandox)