An arbitrary file overwrite vulnerability in MaruNuri LLC v2.0.23 allows attackers to overwrite critical internal files via the file import…

published 2026-03-31 7mo ago modified 2026-07-24 3mo ago also EUVD-2026-17482

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

An arbitrary file overwrite vulnerability in MaruNuri LLC v2.0.23 allows attackers to overwrite critical internal files via the file import process, leading to arbitrary code execution or information exposure.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 7mo ago (2026-04-01)

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/Secsys-FDU/AF_CVEs/issues/21 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-73 External Control of File Name or Path

References

github.com /Secsys-FDU/AF_CVEs/issues/21
exploit, third-party-advisory
secsys.fudan.edu.cn /
not-applicable
maru.xyz /
product
play.google.com /store/apps/details?id=neo.maru
product

Sources

CVE List CVE-2026-30281
NVD CVE-2026-30281

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