USN-8386-1: nano Ubuntu

CVSS: UnknownPublished
Published 04-06-2026Last modified 05-06-2026
Open JSON

Vulnerability summary

USN-8386-1 is a vulnerability in nano Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 2 · Downstream 0 · Related 2
CVE-2026-6842CVE-2026-6843

Timeline

  1. 04-06-2026
    PublishedVulnerability first disclosed.
  2. 05-06-2026
    Last modifiedVulnerability information updated.

Description

nano vulnerabilities Michał Majchrowicz and Marcin Wyczechowski discovered that Nano created the ~/.local directory with incorrect permissions. In environments with permissive umask settings, a local attacker could possibly use this issue to inject a malicious launcher file, resulting in information disclosure or other unintended actions. (CVE-2026-6842) Michał Majchrowicz and Marcin Wyczechowski discovered that Nano incorrectly handled directory names when updating the status line. A local attacker could possibly use this issue to cause Nano to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.10, and Ubuntu 26.04 LTS. (CVE-2026-6843)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • nano< 2.9.3-2ubuntu0.1~esm2 | < 4.8-1ubuntu1.1+esm1 | < 6.2-1ubuntu0.2 | < 7.2-2ubuntu0.2 | < 8.4-1ubuntu0.1 | < 8.7.1-1ubuntu0.1

1 vendor · 1 product

References

3 links