CVE-2026-107037 NoNonsense Notes - Broken Access Control

NoNonsense Notes versionCode 72600 contains a broken access control caused by insecure permissions in NotificationHelper component, letting unauthorized attackers write to other users' notes via supplied note ID, exploit requires no special privileges.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.43% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-284

Vendor fix

Update to the latest version that fixes insecure permissions in NotificationHelper.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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