CVE-2026-45090

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{"affected": [{"affectedData": [{"product": "dalfox", "vendor": "hahwul", "versions": [{"status": "affected", "version": "< 2.13.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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 channel is correctly closed after the first stage completes (close(results) at line 438), but the second stage \u2014 which processes POST-body parameters (dp) \u2014 is then launched with the same already-closed channel as its output. When a scanned parameter is reflected, processParams executes results <- paramResult on the closed channel, triggering a Go runtime panic that crashes the entire dalfox process. In server mode, the crash is remotely triggerable by any unauthenticated caller who can reach the REST API, because the default configuration has no API key and the second stage activates whenever options.Data != \"\" (i.e., the attacker supplies the data field) and the target reflects at least one parameter. This vulnerability is fixed in 2.13.0."}, {"lang": "es", "value": "Dalfox es un potente esc\u00e1ner de XSS de c\u00f3digo abierto y una utilidad centrada en la automatizaci\u00f3n. Antes de la versi\u00f3n 2.13.0, ParameterAnalysis en pkg/scanning/parameterAnalysis.go ejecuta dos etapas de trabajador secuenciales que ambas escriben en el mismo canal de resultados. El canal se cierra correctamente despu\u00e9s de que la primera etapa se completa (close(results) en la l\u00ednea 438), pero la segunda etapa -que procesa los par\u00e1metros del cuerpo POST (dp)- se lanza entonces con el mismo canal ya cerrado como su salida. Cuando un par\u00e1metro escaneado se refleja, processParams ejecuta results <- paramResult en el canal cerrado, lo que desencadena un p\u00e1nico en tiempo de ejecuci\u00f3n de Go que bloquea todo el proceso de dalfox. En modo servidor, el bloqueo puede ser activado remotamente por cualquier llamador no autenticado que pueda alcanzar la API REST, porque la configuraci\u00f3n predeterminada no tiene clave de API y la segunda etapa se activa siempre que options.Data != \u201c\u201d (es decir, el atacante suministra el campo de datos) y el objetivo refleja al menos un par\u00e1metro. Esta vulnerabilidad se corrige en la versi\u00f3n 2.13.0."}], "id": "CVE-2026-45090", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45090", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-28T15:10:33.002780Z", "version": "2.0.3"}}]}, "published": "2026-05-27T18:16:25.003", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/hahwul/dalfox/releases/tag/v2.13.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/hahwul/dalfox/security/advisories/GHSA-2g4x-fq3j-cgq4"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/hahwul/dalfox/security/advisories/GHSA-2g4x-fq3j-cgq4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-404"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.13.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "dalfox", "source": "cna", "vendor": "hahwul"}, "product": "dalfox", "vendor": "hahwul"}], "created": "2026-05-27T19:15:26.081442+00:00", "updated": "2026-05-29T15:50:27.358782+00:00", "vendors": ["hahwul", "hahwul$PRODUCT$dalfox"]}