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Vulnerability record · CVE-2026-20435 · published 2 March 2026

CVE-2026-20435: Linuxfoundation yocto insufficiently protected credentials vulnerability

Linuxfoundation · Yocto

In preloader, there is a possible read of device unique identifiers due to a logic error. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10607099; Issue ID: MSV-6118.

4.6 CVSS 3.1 Medium EPSS 0.12% · top 98.4% CWE-522 · Insufficiently protected credentials
4.6CVSS 3.1 base score
0.12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

In preloader, there is a possible read of device unique identifiers due to a logic error. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10607099; Issue ID: MSV-6118.

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

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://corp.mediatek.com/product-security-bulletin/March-2026 Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-20435), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.