Vulnerability in Hahwul Dalfox
CVE-2026-45090
Dalfox is a powerful open-source XSS scanner and utility focused on automation. Prior to 2.13.0, ParameterAnalysis in pkg/scanning/parameterAnalysis.go runs two sequential worker stages that both write to the same results channel. The chan…
Vulnerability class: Race Condition
EPSS: 0.000 (15.1th 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:N/I:N/A:H.
Affected products
- Hahwul Dalfox — versions < 2.13.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-45090?
- CVE-2026-45090 is a high-severity vulnerability in Hahwul Dalfox, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2026-05-27.
- How severe is CVE-2026-45090?
- High severity. CVSS v3 base score is 7.5 out of 10.