CVE-2026-36176

June 4, 2026, 5:16 p.m.

7.1
High

Description

GNCC GP5 v7.1.76 was discovered to store pre-signed Backblaze B2 upload URLs (PUT requests) in plaintext to the serial console. This allows physically-proximate attackers to extract these active tokens to perform unauthorized operations via monitoring the serial UART interface.

Product(s) Impacted

Vendor Product Versions
Gncc
  • Gp5
  • 7.1.76

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-312
Cleartext Storage of Sensitive Information
The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a gncc gp5 7.1.76 / / / / / / /

CVSS Score

7.1 / 10

CVSS Data - 3.1

  • Attack Vector: PHYSICAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: CHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: NONE
  • CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

    View Vector String

Timeline

Published: June 4, 2026, 3:16 p.m.
Last Modified: June 4, 2026, 5:16 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.