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CVE-2026-1998

LOW

3.3

Description

A flaw has been found in micropython up to 1.27.0. This vulnerability affects the function mp_import_all of the file py/runtime.c. This manipulation causes memory corruption. The attack needs to be launched locally. The exploit has been published and may be used. Patch name: 570744d06c5ba9dba59b4c3f432ca4f0abd396b6. It is suggested to install a patch to address this issue.

CVE Details

CVSS v3.1 Score3.3

SeverityLOW

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published2/6/2026

Last Modified2/17/2026

Sourcenvd

Honeypot Sightings0

Affected Products

micropython:micropython

Weaknesses (CWE)

CWE-119CWE-787

References

https://github.com/dpgeorge/micropython/commit/570744d06c5ba9dba59b4c3f432ca4f0abd396b6(cna@vuldb.com)

https://github.com/micropython/micropython/(cna@vuldb.com)

https://github.com/micropython/micropython/issues/18639(cna@vuldb.com)

https://github.com/micropython/micropython/issues/18639#issue-3780651410(cna@vuldb.com)

https://github.com/micropython/micropython/pull/18671(cna@vuldb.com)

https://vuldb.com/?ctiid.344546(cna@vuldb.com)

https://vuldb.com/?id.344546(cna@vuldb.com)

https://vuldb.com/?submit.743396(cna@vuldb.com)

IOC Correlations

No correlations recorded

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