CVE-2026-45225

7.6 HIGH
Published: May 12, 2026 Modified: May 14, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.6 / 10.0
EPSS (Exploit Probability)
0.4%
27th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)