{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-24T22:54:10.455","vulnerabilities":[{"cve":{"id":"CVE-2026-23845","sourceIdentifier":"security-advisories@github.com","published":"2026-01-19T19:16:04.820","lastModified":"2026-06-17T10:22:11.673","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Mailpit is an email testing tool and API for developers. Versions prior to 1.28.3 are vulnerable to Server-Side Request Forgery (SSRF) via HTML Check CSS Download. The HTML Check feature (`/api/v1/message/{ID}/html-check`) is designed to analyze HTML emails for compatibility. During this process, the `inlineRemoteCSS()` function automatically downloads CSS files from external `<link rel=\"stylesheet\" href=\"...\">` tags to inline them for testing. Version 1.28.3 fixes the issue."},{"lang":"es","value":"Mailpit es una herramienta de prueba de correo electrónico y API para desarrolladores. Las versiones anteriores a la 1.28.3 son vulnerables a la falsificación de petición del lado del servidor (SSRF) a través de la descarga de CSS de la función HTML Check. La función HTML Check ('/api/v1/message/{ID}/html-check') está diseñada para analizar correos electrónicos HTML para compatibilidad. Durante este proceso, la función 'inlineRemoteCSS()' descarga automáticamente archivos CSS de etiquetas externas ' para incrustarlos para pruebas. La versión 1.28.3 corrige el problema."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"axllent","product":"mailpit","versions":[{"version":"< 1.28.3","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","baseScore":5.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-01-20T20:04:04.082622Z","id":"CVE-2026-23845","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-918"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:axllent:mailpit:*:*:*:*:*:*:*:*","versionEndExcluding":"1.28.3","matchCriteriaId":"D00C1680-049F-472C-A900-66D6B2A11A04"}]}]}],"references":[{"url":"https://github.com/axllent/mailpit/commit/1679a0aba592ebc8487a996d37fea8318c984dfe","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/axllent/mailpit/releases/tag/v1.28.3","source":"security-advisories@github.com","tags":["Product","Release Notes"]},{"url":"https://github.com/axllent/mailpit/security/advisories/GHSA-6jxm-fv7w-rw5j","source":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"]}]}}]}