CVE-2026-28798 | IceWhaleTech ZimaOS up to 1.5.2 /v1/sys/proxy server-side request forgery (GHSA-vqqj-f979-8c8m)

VDB-355202 · CVE-2026-28798 · GHSA-VQQJ-F979-8C8M ICEWHALETECH ZIMAOS UP TO 1.5.2 /V1/SYS/PROXY SERVER-SIDE REQUEST FORGERY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.2 $0-$5k 0.58+ Summaryinfo 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. Detailsinfo 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. Productinfo Vendor IceWhaleTech Name ZimaOS Version 1.5.0 1.5.1 1.5.2 Website Product: https://github.com/IceWhaleTech/ZimaOS/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.3 VulDB 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): 🔒 CVSSv2info 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: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: ZimaOS 1.5.3 Timelineinfo 03/03/2026 CVE reserved 04/03/2026 +30 days Advisory disclosed 04/03/2026 +0 days VulDB entry created 04/03/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-vqqj-f979-8c8m Status: Confirmed CVE: CVE-2026-28798 (🔒) GCVE (CVE): GCVE-0-2026-28798 GCVE (VulDB): GCVE-100-355202 Entryinfo Created: 04/03/2026 23:27 Changes: 04/03/2026 23:27 (66) Complete: 🔍 Cache ID: 99:8BB:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸