{"id":"EUVD-2026-95141","revision":null,"records":[{"revision":"523fbf72b36d49119d13f57446756c69","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-107382","aliases":[],"title":"MariaDB Connector/Node.js: Uncaught exception crashes the client during ed25519 authentication with zero-configuration TLS","description":"MariaDB Connector/Node.js is used to connect applications developed on Node.js to MariaDB and MySQL databases. From 3.3.0 until 3.5.4, the zero-configuration TLS fingerprint-validation path calls Ed25519PasswordAuth.hash() through Authentication.validateFingerPrint, but Ed25519PasswordAuth.hash() references a seed identifier that is not in scope. Exposure requires a MariaDB server reached over TCP, TLS enabled with ssl: true or an ssl object whose rejectUnauthorized value is not false, a password set, no ssl.ca configured, and client_ed25519 negotiated as the authentication plugin. Under those conditions, a legitimate server, malicious server, or network attacker presenting a self-signed certificate can reach this path and cause a synchronous ReferenceError to escape the socket data handler. Under Node.js default uncaught-exception behavior, the client process terminates, causing denial of service. Configurations using a provided CA, rejectUnauthorized: false, another authentication plugin, or a Unix socket do not reach this vulnerable path. This issue is fixed in version 3.5.4.","state":0,"publishedAt":"2026-10-08T18:24:10.031+00:00","modifiedAt":"2026-10-08T18:42:37.155+00:00","affected":[{"ecosystem":"Vendor product","name":"mariadb-connector-nodejs","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"mariadb-corporation\",\n                    \"product\": \"mariadb-connector-nodejs\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 3.3.0, < 3.5.4\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/mariadb-corporation/mariadb-connector-nodejs/security/advisories/GHSA-cx2f-j9fh-8g68","https://github.com/mariadb-corporation/mariadb-connector-nodejs/commit/784ca3d757194a05f202d84b0c762321e76a7915","https://hackerone.com/reports/3835450","https://github.com/mariadb-corporation/mariadb-connector-nodejs/releases/tag/3.5.4","https://jira.mariadb.org/browse/CONJS-356"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-107382","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-107382","identifiers":["CVE-2026-107382"]},"retained":false,"historicalAffected":[]},{"revision":"27278d24c12a4534bd538d4d5c4d22c6","observedAt":"2026-11-09T05:07:45.069+00:00","statement":{"source":"euvd","id":"EUVD-2026-95141","aliases":["CVE-2026-107382","GHSA-cx2f-j9fh-8g68"],"title":"MariaDB Connector/Node.js is used to connect applications developed on Node.js to MariaDB and MySQL databases. From 3.3.0 until 3.5.4, the zero-configuration TLS fingerprint-validation path calls Ed25519PasswordAuth.hash() through Authentic…","description":"MariaDB Connector/Node.js is used to connect applications developed on Node.js to MariaDB and MySQL databases. From 3.3.0 until 3.5.4, the zero-configuration TLS fingerprint-validation path calls Ed25519PasswordAuth.hash() through Authentication.validateFingerPrint, but Ed25519PasswordAuth.hash() references a seed identifier that is not in scope. Exposure requires a MariaDB server reached over TCP, TLS enabled with ssl: true or an ssl object whose rejectUnauthorized value is not false, a password set, no ssl.ca configured, and client_ed25519 negotiated as the authentication plugin. Under those conditions, a legitimate server, malicious server, or network attacker presenting a self-signed certificate can reach this path and cause a synchronous ReferenceError to escape the socket data handler. Under Node.js default uncaught-exception behavior, the client process terminates, causing denial of service. Configurations using a provided CA, rejectUnauthorized: false, another authentication plugin, or a Unix socket do not reach this vulnerable path. This issue is fixed in version 3.5.4.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9,"severity":null}],"references":["https://github.com/mariadb-corporation/mariadb-connector-nodejs/security/advisories/GHSA-cx2f-j9fh-8g68","https://github.com/mariadb-corporation/mariadb-connector-nodejs/commit/784ca3d757194a05f202d84b0c762321e76a7915","https://hackerone.com/reports/3835450","https://github.com/mariadb-corporation/mariadb-connector-nodejs/releases/tag/3.5.4","https://jira.mariadb.org/browse/CONJS-356"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-95141","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 8, 2026, 6:24:10 PM","dateUpdated":"Oct 8, 2026, 6:42:37 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-95141","identifiers":["EUVD-2026-95141","CVE-2026-107382","GHSA-cx2f-j9fh-8g68"]},"retained":false,"historicalAffected":[]},{"revision":"4d8c6fce44df46a7a05a5b33ce28790c","observedAt":"2026-10-25T05:17:13.11+00:00","statement":{"source":"nvd","id":"CVE-2026-107382","aliases":[],"title":"MariaDB Connector/Node.js is used to connect applications developed on Node.js to MariaDB and MySQL databases. From 3.3.0 until 3.5.4, the zero-configuration TLS fingerprint-validation path calls Ed25519PasswordAuth.hash() through Authentic…","description":"MariaDB Connector/Node.js is used to connect applications developed on Node.js to MariaDB and MySQL databases. From 3.3.0 until 3.5.4, the zero-configuration TLS fingerprint-validation path calls Ed25519PasswordAuth.hash() through Authentication.validateFingerPrint, but Ed25519PasswordAuth.hash() references a seed identifier that is not in scope. Exposure requires a MariaDB server reached over TCP, TLS enabled with ssl: true or an ssl object whose rejectUnauthorized value is not false, a password set, no ssl.ca configured, and client_ed25519 negotiated as the authentication plugin. Under those conditions, a legitimate server, malicious server, or network attacker presenting a self-signed certificate can reach this path and cause a synchronous ReferenceError to escape the socket data handler. Under Node.js default uncaught-exception behavior, the client process terminates, causing denial of service. Configurations using a provided CA, rejectUnauthorized: false, another authentication plugin, or a Unix socket do not reach this vulnerable path. This issue is fixed in version 3.5.4.","state":0,"publishedAt":"2026-10-08T19:17:00.59+00:00","modifiedAt":"2026-10-08T20:25:00.647+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/mariadb-corporation/mariadb-connector-nodejs/commit/784ca3d757194a05f202d84b0c762321e76a7915","https://github.com/mariadb-corporation/mariadb-connector-nodejs/releases/tag/3.5.4","https://github.com/mariadb-corporation/mariadb-connector-nodejs/security/advisories/GHSA-cx2f-j9fh-8g68","https://hackerone.com/reports/3835450","https://jira.mariadb.org/browse/CONJS-356"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-107382","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-248"],"productCriteria":[],"sourceDates":{"published":"2026-10-08T19:17:00.590","lastModified":"2026-10-08T20:25:00.647"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-107382","identifiers":["CVE-2026-107382"]},"retained":false,"historicalAffected":[]},{"revision":"603a6f59d0d8471db4c16fbc920c8291","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-cx2f-j9fh-8g68","aliases":["BIT-mariadb-2026-107382","BIT-mariadb-min-2026-107382","BIT-mysql-client-2026-107382","CVE-2026-107382"],"title":"MariaDB Connector/Node.js: Uncaught exception crashes the client during ed25519 authentication with zero-configuration TLS","description":"### Description\nOn the zero-configuration TLS path, the connector accepts a self-signed server certificate at the TLS level and then validates the server's identity from the fingerprint hash the server appends to the final OK_Packet (`Authentication.validateFingerPrint`). That validation calls `hash()` on the authentication plugin in use to obtain the password-derived secret both sides combine with the seed and the certificate fingerprint.\n\n`Ed25519PasswordAuth.hash()` referenced an identifier `seed` that was not in scope: it was neither a parameter of the method nor a module-scope binding, existing only as a parameter of the unrelated static `encryptPassword(password, seed)`. Invoking the method therefore threw `ReferenceError: seed is not defined`.\n\nThe throw happens synchronously inside the socket `data` handler, and no frame between `PacketInputStream.onData()` and the plugin guards it, so the error escapes as an uncaught exception rather than surfacing as a connection error.\n\nBecause the fingerprint hash is what a legitimate MariaDB server sends on this path, ed25519 authentication with zero-configuration TLS never completed successfully — the failure is not limited to a hostile server.\n\n### Impact\nDenial of service against the client process. Under Node's default `uncaughtException` behaviour the process exits, so a long-running service is terminated rather than seeing a failed connection attempt. No credential is disclosed and no data is altered; the impact is availability only.\n\nAn unauthenticated attacker able to intercept the connection (a MitM presenting a self-signed certificate, or a compromised server) can trigger the crash at will, since the self-signed-certificate path is precisely what such an attacker exercises and the rogue server only has to answer the ed25519 challenge with an OK_Packet carrying a `0x01`-prefixed validation hash.\n\nExposure requires all of the following: a MariaDB server reached over TCP (not a unix socket), `ssl: true` or an `ssl` object without `rejectUnauthorized: false`, a password set, no `ssl.ca` provided, and `client_ed25519` as the negotiated authentication plugin. Other authentication plugins are unaffected, as is any configuration where the server certificate is verified against a provided CA.\n\n### Resolution\n`Ed25519PasswordAuth.hash()` now returns the Ed25519 public key derived from the password scalar, which is the value the server combines into the fingerprint hash, and the derivation is covered by unit and integration tests.\n\nFixed in 3.5.4. The 3.3.x and 3.4.x maintenance branches are not patched; upgrade to 3.5.4 or later.\n\n### Workarounds\nProvide the server certificate to the client (`ssl: { ca: ... }`) so standard certificate validation is used instead of fingerprint validation, or set `ssl: { rejectUnauthorized: false }` to opt into trust mode, or use an authentication plugin other than `client_ed25519`, until upgraded.\n\n### Credit\nReported by fg0x0.","state":0,"publishedAt":"2026-10-08T19:42:04+00:00","modifiedAt":"2026-10-16T09:56:02.2584091+00:00","affected":[{"ecosystem":"npm","name":"mariadb","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"3.3.0"},{"kind":"fixed","version":"3.5.4"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/mariadb-corporation/mariadb-connector-nodejs/security/advisories/GHSA-cx2f-j9fh-8g68","https://github.com/mariadb-corporation/mariadb-connector-nodejs/commit/784ca3d757194a05f202d84b0c762321e76a7915","https://github.com/mariadb-corporation/mariadb-connector-nodejs","https://github.com/mariadb-corporation/mariadb-connector-nodejs/releases/tag/3.5.4","https://jira.mariadb.org/browse/CONJS-356"],"sourceUrl":"https://github.com/advisories/GHSA-cx2f-j9fh-8g68","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-cx2f-j9fh-8g68","identifiers":["GHSA-cx2f-j9fh-8g68","BIT-mariadb-2026-107382","BIT-mariadb-min-2026-107382","BIT-mysql-client-2026-107382","CVE-2026-107382"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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