IceWhaleTech ZimaOS up to 1.5.2 /v1/sys/proxy server-side request forgery
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in IceWhaleTech ZimaOS up to 1.5.2. Affected by this issue is some unknown functionality of the file /v1/sys/proxy. Such manipulation leads to server-side request forgery. This vulnerability is uniquely identified as CVE-2026-28798. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability was found in IceWhaleTech ZimaOS up to 1.5.2. It has been rated as critical. Affected by this issue is an unknown functionality of the file /v1/sys/proxy. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:
ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint (/v1/sys/proxy) exposed by ZimaOS's web interface can be abused (via an externally reachable domain using a Cloudflare Tunnel) to make requests to internal localhost services. This results in unauthenticated access to internal-only endpoints and sensitive local services when the product is reachable from the Internet through a Cloudflare Tunnel. This issue has been patched in version 1.5.3.
The advisory is available at github.com. This vulnerability is handled as CVE-2026-28798 since 03/03/2026. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
Upgrading to version 1.5.3 eliminates this vulnerability. The upgrade is hosted for download at github.com.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.2
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 9.0
CNA Vector (GitHub_M): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Server-side request forgeryCWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: ZimaOS 1.5.3
Timeline
03/03/2026 CVE reserved04/03/2026 Advisory disclosed
04/03/2026 VulDB entry created
04/03/2026 VulDB entry last update
Sources
Product: github.comAdvisory: GHSA-vqqj-f979-8c8m
Status: Confirmed
CVE: CVE-2026-28798 (🔒)
GCVE (CVE): GCVE-0-2026-28798
GCVE (VulDB): GCVE-100-355202
Entry
Created: 04/03/2026 23:27Changes: 04/03/2026 23:27 (66)
Complete: 🔍
Cache ID: 216:5EF:103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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