CVE-2026-45087

Dalfox is a powerful open-source XSS scanner and utility focused on automation. Prior to 2.13.0, when dalfox is started in REST API server mode (dalfox server), the server binds to 0.0.0.0:6664 by default and requires no API key unless the operator explicitly passes --api-key. Because model.Options — including FoundAction and FoundActionShell — is deserialized directly from attacker-supplied JSON in POST /scan, and because dalfox.Initialize explicitly propagates those two fields into the final scan options without stripping them, any unauthenticated caller who can reach the server port can supply an arbitrary shell command that the dalfox process will execute on the host whenever a scan finding is triggered. This vulnerability is fixed in 2.13.0.
Configurations

No configuration.

History

28 May 2026, 14:16

Type Values Removed Values Added
References () https://github.com/hahwul/dalfox/security/advisories/GHSA-v25v-m36w-jp4h - () https://github.com/hahwul/dalfox/security/advisories/GHSA-v25v-m36w-jp4h -

27 May 2026, 18:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-27 18:16

Updated : 2026-05-28 14:16


NVD link : CVE-2026-45087

Mitre link : CVE-2026-45087

CVE.ORG link : CVE-2026-45087


JSON object : View

Products Affected

No product.

CWE
CWE-15

External Control of System or Configuration Setting

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-306

Missing Authentication for Critical Function