CVE-2026-48824

{"id": "CVE-2026-48824", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48824", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-20T19:01:37.901255Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "axllent", "product": "mailpit", "versions": [{"status": "affected", "version": "< 1.30.1"}]}]}], "published": "2026-07-20T16:17:03.080", "references": [{"url": "https://github.com/axllent/mailpit/releases/tag/v1.30.1", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/axllent/mailpit/security/advisories/GHSA-28pq-6qxg-wg5r", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "Mailpit is an email testing tool and API for developers. Prior to version 1.30.1, the fix for GHSA-fpxj-m5q8-fphw (CVE-2026-45710, \"Mailpit: Set a default 50MB p/m limit to prevent DoS via unlimited SMTP DATA and /api/v1/send body sizes\") wrapped only `POST /api/v1/send` with `http.MaxBytesReader`. The four other Mailpit JSON-body API endpoints `PUT /api/v1/messages` (SetReadStatus), `DELETE /api/v1/messages` (DeleteMessages), `PUT /api/v1/tags` (SetMessageTags), and `POST /api/v1/message/{id}/release` (ReleaseMessage) still call `json.NewDecoder(r.Body)` directly with no body-size cap and remain reachable unauthenticated in the default `docker run axllent/mailpit:latest` deploy. An unauthenticated remote attacker can post a multi-million-element `IDs` slice and drive RSS from ~25 MiB baseline to ~450 MiB per 16 MB request body. Repeating across multiple connections accumulates the same per-request amplification per process. Version 1.30.1 contains a patch."}, {"lang": "es", "value": "Mailpit es una herramienta de prueba de correo electr\u00f3nico y una API para desarrolladores. Antes de la versi\u00f3n 1.30.1, la correcci\u00f3n para GHSA-fpxj-m5q8-fphw (CVE-2026-45710, \u2019Mailpit: Establecer un l\u00edmite predeterminado de 50 MB p/m para prevenir DoS a trav\u00e9s de tama\u00f1os de cuerpo ilimitados de SMTP DATA y /api/v1/send\u2019) envolvi\u00f3 solo \u201cPOST /api/v1/send\u201d con \u201chttp.MaxBytesReader\u201d. Los otros cuatro endpoints de la API de Mailpit con cuerpo JSON \u201cPUT /api/v1/messages\u201d (SetReadStatus), \u201cDELETE /api/v1/messages\u201d (DeleteMessages), \u201cPUT /api/v1/tags\u201d (SetMessageTags) y \u201cPOST /api/v1/message/{id}/release\u201d (ReleaseMessage) todav\u00eda llaman a \u201cjson.NewDecoder(r.Body)\u201d directamente sin l\u00edmite de tama\u00f1o de cuerpo y permanecen accesibles sin autenticaci\u00f3n en el despliegue predeterminado de \u201cdocker run axllent/mailpit:latest\u201d. Un atacante remoto no autenticado puede publicar un slice \u201cIDs\u201d de varios millones de elementos y llevar el RSS de una l\u00ednea base de ~25 MiB a ~450 MiB por cuerpo de solicitud de 16 MB. La repetici\u00f3n a trav\u00e9s de m\u00faltiples conexiones acumula la misma amplificaci\u00f3n por solicitud por proceso. La versi\u00f3n 1.30.1 contiene un parche."}], "lastModified": "2026-10-24T20:10:00.137", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:axllent:mailpit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EED16083-B2DE-4607-BB41-B3239D592BCF", "versionEndExcluding": "1.30.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}