CVE-2026-92595

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{"bugzilla": {"description": "nodemailer: Nodemailer: Information disclosure and SSRF via sandbox bypass in resolveContent", "id": "2539025", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2539025"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N", "status": "draft"}, "cwe": "CWE-918", "details": ["Nodemailer (npm package `nodemailer`) versions 9.1.0 and earlier do not honor the `disableFileAccess` and `disableUrlAccess` sandbox options when message content is resolved through the public plugin API `MailMessage.resolveContent()` using the documented legacy three-argument signature `resolveContent(data, key, callback)`. Because `shared.resolveContent()` normalizes the missing `options` argument to an empty object, the message-level flags copied into `mail.data` by the MailMessage constructor are discarded, and `resolveContentValue()` skips both access-control checks, reaching `nmfetch(url)` or `fs.createReadStream(path)`. As a result, plugin or application code that resolves untrusted message content (html, text, attachment `path` or `href`) via this API can be induced to read arbitrary local files or issue outbound HTTP(S) requests (server-side request forgery), bypassing the sandbox the application enabled. The internal paths used by `transporter.sendMail()` (`resolveAll()`, `_convertDataImages()`, and the MIME streaming path) are not affected. Fixed in version 9.1.1.", "A flaw was found in Nodemailer. Plugin or application code that resolves untrusted message content through the `MailMessage.resolveContent()` API using its legacy three-argument signature can bypass intended sandbox restrictions. This vulnerability allows an attacker to read arbitrary local files or perform Server-Side Request Forgery (SSRF) by issuing outbound HTTP(S) requests. This bypass occurs because the `disableFileAccess` and `disableUrlAccess` sandbox options are not honored in this specific usage."], "name": "CVE-2026-92595", "package_state": [{"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Fix deferred", "package_name": "rhdh/rhdh-hub-rhel9", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "grafana12.4", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "grafana13.1", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "grafana13.2", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform/bootc-automation-portal-rhel9", "product_name": "Self-service automation portal 2"}], "public_date": "2026-09-16T21:47:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-92595\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-92595\nhttps://github.com/nodemailer/nodemailer/security/advisories/GHSA-8m3c-c648-2xjj\nhttps://www.vulncheck.com/advisories/nodemailer-before-9.1.1-security-sandbox-bypass-via-resolvecontent"], "threat_severity": "Moderate"}

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