Vulnerability in N/a

CVE-2026-36176

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-36176: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-36176?
CVE-2026-36176 is a high-severity vulnerability in N/a, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.1/10. Published 2026-06-04.
How severe is CVE-2026-36176?
High severity. CVSS v3 base score is 7.1 out of 10.