CVE-2026-54053 Many Notes - Path Traversal & Stored XSS

Many Notes < 0.16.0 contains a path traversal and stored XSS caused by improper validation of ZIP archive filenames in vault import, letting authenticated users write arbitrary files and execute scripts in other users' vaults, exploit requires user authentication.

CVSS base score 9.6 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.70% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Path Traversal
Impact
Data Tampering, Client Script Exec
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-22

Vendor fix

Update to version 0.16.0 or later.

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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