# CVE-2026-120503: EchoHS GeekezBrowser Public API status information disclosure

Status: published. Published: 2026-11-02. Updated: 2026-11-02.

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.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/EchoHS/GeekezBrowser/commit/9317a89aa0fd2715d9c2bd27bdbb52b5d228dd9e
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/EchoHS/GeekezBrowser/releases/tag/v1.8.1

## Affected products and versions

- EchoHS / GeekezBrowser: 1.0 (affected); 1.1 (affected); 1.2 (affected); 1.3 (affected); 1.4 (affected); 1.5 (affected); 1.6 (affected); 1.7 (affected); 1.7.0 (affected); 1.7.1 (affected); 1.7.2 (affected); 1.8.0 (affected); 1.8.1 (unaffected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 4.8 (medium); CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 3.3 (low); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 3.0: 3.3 (low); CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 2.0: 1.7 (low); AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-200, CWE-284

## Exploit evidence

- exploit: https://github.com/EchoHS/GeekezBrowser/issues/60 (CNA: VulDB)

## References

- https://vuldb.com/vuln/429883 (CNA: VulDB; vdb-entry)

- https://vuldb.com/vuln/429883/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-120503 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1027894 (CNA: VulDB; third-party-advisory)

- https://github.com/EchoHS/GeekezBrowser/issues/60 (CNA: VulDB; exploit, issue-tracking)

- https://github.com/EchoHS/GeekezBrowser/commit/9317a89aa0fd2715d9c2bd27bdbb52b5d228dd9e (CNA: VulDB; patch)

- https://github.com/EchoHS/GeekezBrowser/releases/tag/v1.8.1 (CNA: VulDB; patch)

- https://github.com/EchoHS/GeekezBrowser/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-120503; retrieved 2026-11-02; source updated 2026-11-02

Revision: 6f71217d3d81503ef403af714d26bf649eea184e8193328a19483409487a9144

Canonical: https://y2.dev/cve/CVE-2026-120503

## Agent and API access

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- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

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- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

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