Unitree UPK up to 20260226v1 hard-coded key

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Unitree UPK up to 20260226v1 and classified as problematic. Affected is an unknown function. This manipulation causes hard-coded key. This vulnerability is tracked as CVE-2026-1442. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in Unitree UPK up to 20260226v1. It has been declared as problematic. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a hard-coded key vulnerability. The CWE definition for the vulnerability is CWE-321. The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Since the encryption algorithm used to protect firmware updates is itself encrypted using key material available to an attacker (or anyone paying attention), the firmware updates may be altered by an unauthorized user, and then trusted by a Unitree product, such as the Unitree Go2 and other models. This issue appears to affect all of Unitree’s current offerings as of February 26, 2026, and so should be considered a vulnerability in both the firmware generation and extraction processes. At the time of this release, there is no publicly-documented mechanism to subvert the update process and insert poisoned firmware packages without the equipment owner’s knowledge.

The weakness was disclosed by Andreas Makris as GCVE-1337-2025. It is possible to read the advisory at takeonme.org. This vulnerability is known as CVE-2026-1442 since 01/26/2026. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600.001 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (AHA): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Hard-coded key
CWE: CWE-321 / CWE-320
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/26/2026 CVE reserved
02/27/2026 +32 days Advisory disclosed
02/27/2026 +0 days VulDB entry created
03/11/2026 +12 days VulDB entry last update

Sourcesinfo

Advisory: GCVE-1337-2025
Researcher: Andreas Makris
Status: Not defined

CVE: CVE-2026-1442 (🔒)
GCVE (CVE): GCVE-0-2026-1442
GCVE (VulDB): GCVE-100-348127

Entryinfo

Created: 02/27/2026 08:01
Updated: 03/11/2026 20:49
Changes: 02/27/2026 08:01 (62), 03/11/2026 20:49 (1)
Complete: 🔍
Cache ID: 216::103

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