CVE-2026-55883

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{"affected": [{"affectedData": [{"product": "tilt", "vendor": "tilt-dev", "versions": [{"status": "affected", "version": ">= 0.24.0, < 0.37.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Tilt defines dev environments as code for microservice apps on Kubernetes. From 0.24.0 through 0.37.3, the Tilt HUD WebSocket at /ws/view is gated by a CSRF token, but the token is served by the unauthenticated /api/websocket_token endpoint and the upgrader accepts clients that omit an Origin header. When the HUD is network-exposed, an attacker who can reach the listener can open the HUD WebSocket and receive the full view stream, including session state, Tiltfile contents, resource statuses, and continued updates. This issue is fixed in version 0.37.4."}, {"lang": "es", "value": "Tilt define entornos de desarrollo como c\u00f3digo para aplicaciones de microservicios en Kubernetes. Desde 0.24.0 hasta 0.37.3, el WebSocket HUD de Tilt en /ws/view est\u00e1 protegido por un token CSRF, pero el token es proporcionado por el endpoint /API/websocket_token no autenticado y el actualizador acepta clientes que omiten un encabezado Origin. Cuando el HUD est\u00e1 expuesto en la red, un atacante que puede alcanzar el oyente puede abrir el WebSocket HUD y recibir el flujo de vista completo, incluyendo el estado de la sesi\u00f3n, el contenido de Tiltfile, los estados de los recursos y las actualizaciones continuas. Este problema est\u00e1 solucionado en la versi\u00f3n 0.37.4."}], "id": "CVE-2026-55883", "lastModified": "2026-10-25T15:10:00.147", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55883", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-14T14:14:38.038851Z", "version": "2.0.3"}}]}, "published": "2026-07-10T22:16:44.287", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/tilt-dev/tilt/commit/47393fba7f6ef5e305d5e814551feef8e4acbc0a"}, {"source": "security-advisories@github.com", "url": "https://github.com/tilt-dev/tilt/pull/6776"}, {"source": "security-advisories@github.com", "url": "https://github.com/tilt-dev/tilt/releases/tag/v0.37.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/tilt-dev/tilt/security/advisories/GHSA-6m68-r693-78qx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-345"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.24.0,0.37.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "tilt", "source": "cna", "vendor": "tilt-dev"}, "product": "tilt", "vendor": "tilt-dev"}], "created": "2026-07-11T10:30:05.143099+00:00", "updated": "2026-08-01T12:00:05.612873+00:00", "vendors": ["tilt-dev", "tilt-dev$PRODUCT$tilt"]}