PT-2026-31465 · Yamato Security · Hayabusa

Published 2026-04-08 · Updated 2026-04-08 · CVE-2026-40028

NVD

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Hayabusa versions prior to 3.8.0 contain a cross-site scripting (XSS) vulnerability in its HTML report output that allows an attacker to execute arbitrary JavaScript when a user scans JSON-exported logs containing malicious content in the Computer field. An attacker can inject JavaScript into the Computer field of JSON logs that executes in the forensic examiner's browser session when viewing the generated HTML report, leading to information disclosure or code execution.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-40028

Affected Products

Hayabusa

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-40028 · Security Note
• https://mobasi.ai/sentinel · Vendor Advisory
• https://github.com/Yamato-Security/hayabusa/releases/tag/v3.8.0 · Note
• https://vulncheck.com/advisories/hayabusa-xss-via-json-log-import · Note