How serious is CVE-2026-20435?

This vulnerability has a CVSS score of 4.6 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-20435?

Yes, proof-of-concept exploit code for CVE-2026-20435 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-20435?

CVE-2026-20435 affects linuxfoundation yocto. Check the full CVE details for specific version information.

How do I fix CVE-2026-20435?

To remediate CVE-2026-20435, check for security patches from linuxfoundation. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-20435

Medium

|4.6

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker with physical access to a device to read unique identifiers that could reveal sensitive information about the device. No special permissions or user actions are needed to exploit this flaw, making it a significant risk for devices that may be left unattended.

Technical 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 Vector Analysis

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactNone

Availability ImpactNone

ScopeUnchanged

Vector String

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

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$603($500-$1K)

Vendor Response

Grade APatched in 1 day

Quick Information

Published

Mar 2, 2026

about 1 month ago

Last Modified

Mar 3, 2026

about 1 month ago

Vendor

linuxfoundation

Product

yocto

Related Vulnerabilities

CVE-2025-61611High

This vulnerability allows an attacker to remotely crash the modem, causing a denial of service without needing any special permissions. It occurs due to improper checks on the input data sent to the modem.

CVE-2026-29186Critical

This vulnerability allows an attacker to run any Python code on a server using the Backstage platform, potentially taking full control of the system. It occurs when the attacker can create a specially crafted configuration file for documentation that bypasses security checks, and it has been fixed in the latest version.