{"id":"CVE-2026-55629","sourceIdentifier":"security-advisories@github.com","published":"2026-07-16T20:16:45.577","lastModified":"2026-10-24T20:10:00.137","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"Whistle is an HTTP, HTTP2, HTTPS, and WebSocket debugging proxy. Prior to 2.10.3, lib/service/service.js handles GET /cgi-bin/temp/get by reading req.query.filename, joining it to TEMP_FILES_PATH only when it matches the temporary file pattern, and otherwise passing the user-supplied filename directly to getFile, allowing a remote attacker to read arbitrary files such as /etc/passwd. This issue is reported as fixed in version 2.10.3."},{"lang":"es","value":"Whistle es un proxy de depuración HTTP, HTTP2, HTTPS y WebSocket. Antes de la versión 2.10.3, lib/service/service.js maneja GET /cgi-bin/temp/get leyendo req.query.filename, uniéndolo a TEMP_FILES_PATH solo cuando coincide con el patrón de archivo temporal, y de lo contrario, pasando el nombre de archivo proporcionado por el usuario directamente a getFile, permitiendo a un atacante remoto leer archivos arbitrarios como /etc/p4ssd. Este problema se informa como solucionado en la versión 2.10.3."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"avwo","product":"whistle","versions":[{"version":"< 2.10.3","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-17T18:12:01.770384Z","id":"CVE-2026-55629","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-22"}]}],"references":[{"url":"http://github.com/avwo/whistle/releases/tag/v2.10.3","source":"security-advisories@github.com"},{"url":"https://github.com/avwo/whistle/commit/777bcf69bae2972aa7138a158c91619185653cf5","source":"security-advisories@github.com"},{"url":"https://github.com/avwo/whistle/security/advisories/GHSA-3vfr-4gwf-qxfp","source":"security-advisories@github.com"},{"url":"https://github.com/avwo/whistle/security/advisories/GHSA-3vfr-4gwf-qxfp","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}