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Vulnerabilities

Vulnerability · CVE-2026-40028

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 w…

Published Apr 8, 2026 · catalog updated Jul 24, 2026 · the affected product

Check if you run it

No confirmed exploitation is on record for CVE-2026-40028. EPSS is 0.35%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.35%
Remediation
Advisory link
Affected products
cpe yamato-security/hayabusa

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe yamato-security/hayabusaversion unspecified

How to fix CVE-2026-40028

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-40028. EPSS is 0.35%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.35%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 8, 2026 · NIST NVD

    Detected

    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

  2. Jul 24, 2026 · NIST NVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2026-40028

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-40028

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-40028

    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 Ja

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.