CVE-2026-36176

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Summary

CVECVE-2026-36176
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-04 15:16:51 UTC
Updated2026-07-05 17:17:30 UTC
DescriptionGNCC 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.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from ADP

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

EPSS: 0.000100000 probability, percentile 0.010870000 (date 2026-06-09)

Problem Types: CWE-312 | n/a | CWE-312 CWE-312 Cleartext Storage of Sensitive Information

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.1HIGHCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.1HIGHCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Physical
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/GNCC-... 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
gncc.com MITRE gncc.com
gp5.com MITRE gp5.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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