---
id: CVE-2026-52851
title: Traccar is an open source GPS tracking system
summary: >-
  Traccar is an open source GPS tracking system. Prior to 6.14.0, an
  authenticated, non-readonly user with access to an object usable in a
  permission pair can submit DELETE /api/permissions with an extra
  attacker-controlled JSON key. Permi…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N'
cwe:
  - CWE-89
vendor: traccar
product: traccar
affected:
  - traccar < 6.14.0
published: '2026-09-17'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T20:16:50.710'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-52851'
references:
  - url: >-
      https://github.com/traccar/traccar/commit/cd0dbaf5df806139f508cbafaba20b34e62b499e
    label: security-advisories@github.com
  - url: 'https://github.com/traccar/traccar/releases/tag/v6.14.0'
    label: security-advisories@github.com
  - url: 'https://github.com/traccar/traccar/security/advisories/GHSA-jx5h-fxhc-cc9w'
    label: security-advisories@github.com
  - url: 'https://github.com/traccar/traccar/security/advisories/GHSA-jx5h-fxhc-cc9w'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-17T19:04:33.274526Z'
ingestedAt: '2026-09-17T19:26:25.315Z'
epss: 0.00389
epssPercentile: 0.3018
---

## Overview

Traccar is an open source GPS tracking system. Prior to 6.14.0, an authenticated, non-readonly user with access to an object usable in a permission pair can submit DELETE /api/permissions with an extra attacker-controlled JSON key. Permission(LinkedHashMap<String, Long>) in src/main/java/org/traccar/model/Permission.java validates only the first two keys, but DatabaseStorage.removePermission() in src/main/java/org/traccar/storage/DatabaseStorage.java concatenates every map key into the SQL WHERE clause as a column identifier. The extra key therefore becomes attacker-controlled SQL and provides a blind boolean or error oracle that can extract arbitrary database values, including administrator email, password hashes, and salts, or conditionally delete permission rows. Unauthenticated requests are rejected. This issue is fixed in 6.14.0.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.