CVE-2026-45225
High · 7.6CVSS
7.6
EPSS
0.5%
Published
May 12, 2026
CISA due date
—
The record
Heym before 0.0.21 contains a path traversal vulnerability in the file upload endpoint that allows authenticated users to write attacker-controlled files to arbitrary locations by supplying a crafted filename with traversal sequences. Attackers can exploit the unvalidated filename parameter in the upload_file() handler to bypass path restrictions and write, read, or delete files outside the intended storage directory.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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