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CVE-2026-48745— Traccar Client: silent configuration hijack via unverified deep link redirects all GPS telemetry

Quick assessment

Affected
traccar traccar-client
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Traccar traccar-client是美国Traccar公司的一款GPS跟踪客户端软件。 traccar-client 9.7.19及之前版本存在授权问题漏洞，该漏洞源于特制深度链接可以静默劫持GPS跟踪参数并将遥测数据重定向至攻击者控制的服务器。

CVSS 9.3 · Critical EPSS 0.41% · P33

Affected Version Matrix 1

VendorProduct Version RangeStatus
traccar traccar-client < 9.7.20 affected
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I. Basic Information for CVE-2026-48745

Vulnerability Information
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Vulnerability Title
Traccar Client: silent configuration hijack via unverified deep link redirects all GPS telemetry
Source: CVE Program / CVE List V5
Vulnerability Description
Traccar Client is a GPS tracking mobile app for sending location updates to private servers using the open-source Traccar platform. In versions 9.7.19 and below, a single crafted deep link can silently hijack all GPS tracking parameters and redirect telemetry to an attacker-controlled server. The app registers a custom org.traccar.client://config deep-link scheme that silently writes attacker-supplied parameters (server URL, device ID, accuracy, distance, and interval) into the app's persistent configuration with no confirmation, notification, or visual indication. A single crafted link delivered via SMS, email, a webpage, or any installed app can therefore reconfigure the app the moment the victim taps it, with no special permissions required. As a result, an attacker can covertly redirect all of the victim's GPS telemetry to their own server at maximum precision and frequency, and the change persists across restarts. This gives the attacker continuous, real-time tracking of the victim's location. This issue has been fixed in version 9.7.20.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通信信道源的不正确验证
Source: CVE Program / CVE List V5
Vulnerability Title
traccar-client 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Traccar traccar-client是美国Traccar公司的一款GPS跟踪客户端软件。 traccar-client 9.7.19及之前版本存在授权问题漏洞，该漏洞源于特制深度链接可以静默劫持GPS跟踪参数并将遥测数据重定向至攻击者控制的服务器。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
traccar traccar-client < 9.7.20 -

II. Public POCs for CVE-2026-48745

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 10340 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
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III. Intelligence Information for CVE-2026-48745

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Vendor Advisories for CVE-2026-48745 (1)

IV. Related Vulnerabilities

Same vendor: traccar
Same weakness: CWE-940

V. Comments for CVE-2026-48745

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