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.
History

Thu, 04 Jun 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-312
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 04 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
Title Plaintext Exposure of Backblaze B2 Upload Tokens in GNCC GP5
Weaknesses CWE-200

Thu, 04 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-04T15:52:09.566Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-36176

cve-icon Vulnrichment

Updated: 2026-06-04T15:50:22.473Z

cve-icon NVD

Status : Deferred

Published: 2026-06-04T15:16:51.410

Modified: 2026-06-04T17:16:32.373

Link: CVE-2026-36176

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-04T15:30:17Z