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TI-2026-18945 Aliases CVE-2026-23521

Traccar vulnerable to Path Traversal and External Control of File Name or Path

Priority MEDIUM 62CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Versions of the Traccar open-source GPS tracking system up to and including 6.11.1 contain an issue in which authenticated users who can create or edit devices can set a device `uniqueId` to an absolute path. When uploading a device image, Traccar uses that `uniqueId` to build the filesystem path without enforcing that the resolved path stays under the media root. This allows writing files outside the media directory. As of time of publication, it is unclear whether a fix is available.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00371 31st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
traccartraccarup to 6.11.1—No fix listedCNA
  • traccar Vendortraccar Affected up to 6.11.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:traccar:traccar:*:*:*:*:*:*:*:*up to 6.11.1Vulnerabletraccar
  • cpe:2.3:a:traccar:traccar:*:*:*:*:*:*:*:* Versions up to 6.11.1 Vulnerable ·traccar

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-23521

References

Exploit 1

  • TI-2024-20591 Traccar's unrestricted file upload vulnerability in device image upload could lead to remote code execution CVSS 3.1CRITICAL 9.7
  • TI-2026-20749 Traccar Vulnerable to Authorization Code Theft via Open Redirect in OIDC Provider Endpoints CVSS 3.1HIGH 8.7
  • TI-2026-20748 Traccar Vulnerable to Stored Cross-Site Scripting (XSS) via Malicious SVG File Upload CVSS 3.1HIGH 8.7
  • TI-2025-42386 Traccar Missing Origin Validation in WebSockets CVSS 3.1HIGH 7.1
  • TI-2026-22026 traccar allows CSV formula injection via exported position data CVSS 3.1MEDIUM 6.5
  • TI-2026-22071 traccar allows stored HTML injection in notification emails CVSS 3.1MEDIUM 5.4
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences