CVE-2026-1998
Last modified
CVE-2026-1998 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Micropython | Micropython | <= 1.27.0 |
References
- https://github.com/micropython/micropython/issues/18639Exploit, Issue Tracking
- https://github.com/micropython/micropython/issues/18639#issue-3780651410Exploit, Issue Tracking
- https://github.com/micropython/micropython/pull/18671Exploit, Issue Tracking
- https://vuldb.com/?ctiid.344546Permissions Required, VDB Entry
- https://vuldb.com/?id.344546Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.743396Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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