CVE-2026-120503— EchoHS GeekezBrowser Public API status information disclosure

Quick assessment

Affected

EchoHS GeekezBrowser

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 EchoHS GeekezBrowser 1.7.2 及 1.8.0 版本中检测到一个漏洞，该漏洞影响其公共 API 组件中文件的未知部分。攻击者可通过操纵该接口导致信息泄露。此攻击需要本地访问权限。目前该漏洞的利用方式已公开，可被利用。升级至 1.8.1 版本可缓解此问题，相关修复补丁标识为 9317a89aa0fd2715d9c2bd27bdbb52b5d228dd9e。建议尽快升级受影响的组件。

CVSS 3.3 · Low Updated Nov 03, 2026

Possible ATT&CK Techniques 2 AI

T1040 · Network Sniffing T1047 · Windows Management Instrumentation

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Vulnerability Information

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Vulnerability Title

EchoHS GeekezBrowser Public API status information disclosure

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was detected in EchoHS GeekezBrowser up to 1.7.2/1.8.0. This affects an unknown part of the file /api/status of the component Public API. The manipulation results in information disclosure. The attack requires a local approach. The exploit is now public and may be used. Upgrading to version 1.8.1 is able to mitigate this issue. The patch is identified as 9317a89aa0fd2715d9c2bd27bdbb52b5d228dd9e. Upgrading the affected component is recommended.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

信息暴露

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
EchoHS	GeekezBrowser	1.0	`cpe:2.3:a:echohs:geekezbrowser::::::::`

II. Public POCs for CVE-2026-120503

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-120503

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Vendor Advisories for CVE-2026-120503 (1)

CVE-2026-120503 | EchoHS GeekezBrowser up to 1.7.2/1.8.0 Public API /api/status information disclosure (Issue 60) vdb-entry

Other References for CVE-2026-120503 (7)

https://github.com/EchoHS/GeekezBrowser/issues/60 exploit issue-tracking
https://github.com/EchoHS/GeekezBrowser/commit/9317a89aa0fd2715d9c2bd27bdbb52b5d228dd9e patch
https://github.com/EchoHS/GeekezBrowser/releases/tag/v1.8.1 patch
https://github.com/EchoHS/GeekezBrowser/ product
https://vuldb.com/cve/CVE-2026-120503 third-party-advisory
https://vuldb.com/vuln/429883/cti signature permissions-required
https://vuldb.com/submit/1027894 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-120503

IV. Related Vulnerabilities

Same weakness: CWE-200