What is CVE-2026-45089?

CVE-2026-45089 is a high-severity vulnerability in Hahwul Dalfox, classified under External Control of File Name or Path. CVSS score: 8.2/10. Published 2026-05-27.

How severe is CVE-2026-45089?

High severity. CVSS v3 base score is 8.2 out of 10.

Auth bypass in Hahwul Dalfox

CVE-2026-45089

Dalfox is a powerful open-source XSS scanner and utility focused on automation. Prior to 2.13.0, when dalfox is run in REST API server mode, the output, output-all, and debug fields in model.Options are JSON-tagged and deserialized directl…

EPSS: 0.001 (15.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.

Affected products

Hahwul Dalfox — versions < 2.13.0

Weakness classification (CWE)

CWE-73 — External Control of File Name or Path
CWE-306 — Missing Authentication for Critical Function
CWE-434 — Unrestricted Upload of File with Dangerous Type

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-45089?: CVE-2026-45089 is a high-severity vulnerability in Hahwul Dalfox, classified under External Control of File Name or Path. CVSS score: 8.2/10. Published 2026-05-27.
How severe is CVE-2026-45089?: High severity. CVSS v3 base score is 8.2 out of 10.