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CVE-2026-2753 Navtor CVE debrief

CVE-2026-2753 is a HIGH-severity vulnerability in Navtor NavBox, with a CVSS score of 7.5. The vulnerability exists due to improper sanitization of user-supplied path input in the exposed HTTP service. This allows unauthenticated remote attackers to submit requests containing absolute filesystem paths, potentially leading to the exposure of sensitive configuration files and system information.

Vendor
Navtor
Product
NavBox
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-03-06
Original CVE updated
2026-06-05
Advisory published
2026-03-06
Advisory updated
2026-06-05

Who should care

Users of Navtor NavBox, especially those using version 4.12.0.3 or earlier, should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by the application's failure to properly sanitize user-supplied path input. This allows attackers to retrieve arbitrary files from the underlying filesystem, limited only by the privileges of the service process.

Defensive priority

HIGH

Recommended defensive actions

  • Upgrade to a version of Navtor NavBox that is not vulnerable (e.g., version 4.14.1.2 or later).
  • Implement proper input validation and sanitization for user-supplied path input.
  • Restrict access to the HTTP service to only trusted users and networks.

Evidence notes

The CVE record and NVD detail pages provide additional information about this vulnerability.

Official resources

CVE-2026-2753 was published on 2026-03-06T15:16:11.157Z and modified on 2026-06-05T16:40:37.327Z.