What is CVE-2026-45088?

CVE-2026-45088 is a high-severity vulnerability in Hahwul Dalfox, classified under External Control of File Name or Path. CVSS score: 7.5/10. Published 2026-05-27.

How severe is CVE-2026-45088?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Hahwul Dalfox

CVE-2026-45088

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 custom-payload-file field in model.Options is JSON-tagged and deserialized directly from the a…

EPSS: 0.000 (12.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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-552 — Files or Directories Accessible to External Parties

References

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

Frequently asked questions

What is CVE-2026-45088?: CVE-2026-45088 is a high-severity vulnerability in Hahwul Dalfox, classified under External Control of File Name or Path. CVSS score: 7.5/10. Published 2026-05-27.
How severe is CVE-2026-45088?: High severity. CVSS v3 base score is 7.5 out of 10.