{"id":"CVE-2025-49146","aliases":["ALPINE-CVE-2025-49146","BIT-postgresql-jdbc-driver-2025-49146","DEBIAN-CVE-2025-49146","EUVD-2025-18118","GHSA-hq9p-pm7w-8p54","ROOT-APP-MAVEN-CVE-2025-49146","UBUNTU-CVE-2025-49146","openSUSE-SU-2025:15264-1"],"status":"published","title":"pgjdbc Client Allows Fallback to Insecure Authentication Despite channelBinding=require Configuration","description":"pgjdbc is an open source postgresql JDBC Driver. From 42.7.4 and until 42.7.7, when the PostgreSQL JDBC driver is configured with channel binding set to required (default value is prefer), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements. This vulnerability is fixed in 42.7.7.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00488,"percentile":0.42386,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2025-06-11T14:32:39Z","modified":"2026-11-03T06:33:00Z","fixes":[{"ecosystem":"Maven","package":"org.postgresql:postgresql","fixed_in":["42.7.7"],"sources":["ghsa","osv"]},{"ecosystem":"Alpine:v3.24","package":"java-postgresql-jdbc","fixed_in":["42.7.9-r0"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"postgresql-jdbc-driver","fixed_in":["42.7.7"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libpgjava","fixed_in":["42.7.7-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libpgjava","fixed_in":["42.7.7-1"],"sources":["osv"]},{"ecosystem":"Root:Maven","package":"org.postgresql:postgresql","fixed_in":["42.7.4-aikido.4","42.7.7-aikido.1"],"sources":["osv"]},{"ecosystem":"Root:Maven","package":"io.root.org.postgresql:postgresql","fixed_in":["42.7.4-root.io.4","42.7.7-root.io.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"postgresql-jdbc","fixed_in":["42.7.7-1.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.postgresql:postgresql","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"42.7.4"},{"fixed":"42.7.7"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"java-postgresql-jdbc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"42.7.9-r0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"postgresql-jdbc-driver","ranges":[{"type":"SEMVER","events":[{"introduced":"42.7.4"},{"fixed":"42.7.7"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"42.7.7-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"42.7.7-1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.postgresql:postgresql","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"42.7.4"},{"fixed":"42.7.7"}]}],"versions":["42.7.4","42.7.5","42.7.6"]},{"source":"osv","ecosystem":"Root:Maven","package":"org.postgresql:postgresql","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"42.7.4-aikido.4"},{"fixed":"42.7.7-aikido.1"}]}]},{"source":"osv","ecosystem":"Root:Maven","package":"io.root.org.postgresql:postgresql","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"42.7.4-root.io.4"},{"fixed":"42.7.7-root.io.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.2-1002-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.2-1002-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.4.1212-1","9.4.1212-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["42.2.6-1","42.2.8-1","42.2.9-1","42.2.10-1","42.2.10-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["42.2.23-1","42.2.24-1","42.3.1-1","42.3.2-1","42.3.3-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["42.5.4-1","42.6.0-2","42.7.0-1","42.7.1-1","42.7.2-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["42.7.5-1","42.7.5-2","42.7.7-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["42.7.10-1","42.7.11-1","42.7.12-1","42.7.13-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libpgjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["42.7.7-1","42.7.8-1","42.7.8-2","42.7.9-1","42.7.10-1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"postgresql-jdbc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"42.7.7-1.1"}]}]}],"products":[{"vendor":"pgjdbc","product":"pgjdbc"},{"vendor":"postgresql","product":"postgresql_jdbc_driver"}],"references":[{"url":"https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-hq9p-pm7w-8p54","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web","report"]},{"url":"https://github.com/pgjdbc/pgjdbc/commit/9217ed16cb2918ab1b6b9258ae97e6ede244d8a0","tags":["x_refsource_MISC","Patch","fix","web","report"]},{"url":"https://datatracker.ietf.org/doc/html/rfc5802","tags":["web"]},{"url":"https://datatracker.ietf.org/doc/html/rfc7677","tags":["web"]},{"url":"https://www.postgresql.org/docs/current/sasl-authentication.html#SASL-SCRAM-SHA-256","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49146","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-hq9p-pm7w-8p54"},{"url":"https://security.alpinelinux.org/vuln/CVE-2025-49146","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/49xxx/CVE-2025-49146.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-49146","tags":["advisory"]},{"url":"https://github.com/pgjdbc/pgjdbc","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2025-49146","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-49146","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2025-49146","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-49146","title":"pgjdbc Client Allows Fallback to Insecure Authentication Despite channelBinding=require Configuration","description":"pgjdbc is an open source postgresql JDBC Driver. From 42.7.4 and until 42.7.7, when the PostgreSQL JDBC driver is configured with channel binding set to required (default value is prefer), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements. This vulnerability is fixed in 42.7.7.","status":"published","published":"2025-06-11T14:32:39.348Z","modified":"2025-06-11T14:46:17.286Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:32:24.825718Z"}],"euvd":[{"id":"EUVD-2025-18118","description":"pgjdbc is an open source postgresql JDBC Driver. From 42.7.4 and until 42.7.7, when the PostgreSQL JDBC driver is configured with channel binding set to required (default value is prefer), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements. This vulnerability is fixed in 42.7.7.","status":"published","published":"2025-06-11T14:32:39Z","modified":"2025-06-11T14:46:17Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-02T20:32:25.854616Z"}],"ghsa":[{"id":"GHSA-hq9p-pm7w-8p54","title":"pgjdbc Client Allows Fallback to Insecure Authentication Despite channelBinding=require Configuration","description":"### Impact\nWhen the PostgreSQL JDBC driver is configured with channel binding set to `required` (default value is `prefer`), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI  authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements.\n\n### Patches\nTBD\n\n### Workarounds\n\nConfigure `sslMode=verify-full` to prevent MITM attacks.\n\n### References\n\n* https://www.postgresql.org/docs/current/sasl-authentication.html#SASL-SCRAM-SHA-256\n* https://datatracker.ietf.org/doc/html/rfc7677\n* https://datatracker.ietf.org/doc/html/rfc5802","status":"published","published":"2025-06-11T14:44:04Z","modified":"2025-06-11T16:17:03Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:38:46.901955Z"}],"nvd":[{"id":"CVE-2025-49146","description":"pgjdbc is an open source postgresql JDBC Driver. From 42.7.4 and until 42.7.7, when the PostgreSQL JDBC driver is configured with channel binding set to required (default value is prefer), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements. This vulnerability is fixed in 42.7.7.","status":"published","published":"2025-06-11T15:15:42.85Z","modified":"2026-06-17T09:30:49.57Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:11:11.789448Z"}],"osv":[{"id":"ALPINE-CVE-2025-49146","description":"pgjdbc is an open source postgresql JDBC Driver. From 42.7.4 and until 42.7.7, when the PostgreSQL JDBC driver is configured with channel binding set to required (default value is prefer), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements. This vulnerability is fixed in 42.7.7.","status":"published","published":"2025-06-11T15:15:42.85Z","modified":"2026-11-03T06:33:00.689498266Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T07:15:53.944853Z"},{"id":"CVE-2025-49146","title":"pgjdbc Client Allows Fallback to Insecure Authentication Despite channelBinding=require Configuration","description":"pgjdbc is an open source postgresql JDBC Driver. From 42.7.4 and until 42.7.7, when the PostgreSQL JDBC driver is configured with channel binding set to required (default value is prefer), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements. This vulnerability is fixed in 42.7.7.","status":"published","published":"2025-06-11T14:32:39.348Z","modified":"2026-10-28T11:01:55.061880217Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:44:50.037003Z"},{"id":"DEBIAN-CVE-2025-49146","description":"pgjdbc is an open source postgresql JDBC Driver. From 42.7.4 and until 42.7.7, when the PostgreSQL JDBC driver is configured with channel binding set to required (default value is prefer), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements. This vulnerability is fixed in 42.7.7.","status":"published","published":"2025-06-11T15:15:42.85Z","modified":"2026-09-01T20:05:53.286834157Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:47.378563Z"},{"id":"GHSA-hq9p-pm7w-8p54","title":"pgjdbc Client Allows Fallback to Insecure Authentication Despite channelBinding=require Configuration","description":"### Impact\nWhen the PostgreSQL JDBC driver is configured with channel binding set to `required` (default value is `prefer`), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI  authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements.\n\n### Patches\nTBD\n\n### Workarounds\n\nConfigure `sslMode=verify-full` to prevent MITM attacks.\n\n### References\n\n* https://www.postgresql.org/docs/current/sasl-authentication.html#SASL-SCRAM-SHA-256\n* https://datatracker.ietf.org/doc/html/rfc7677\n* https://datatracker.ietf.org/doc/html/rfc5802","status":"published","published":"2025-06-11T14:44:04Z","modified":"2026-09-10T03:50:25.410496896Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:49.28217Z"},{"id":"UBUNTU-CVE-2025-49146","description":"pgjdbc is an open source postgresql JDBC Driver. From 42.7.4 and until 42.7.7, when the PostgreSQL JDBC driver is configured with channel binding set to required (default value is prefer), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements. This vulnerability is fixed in 42.7.7.","status":"published","published":"2025-06-11T15:15:00Z","modified":"2026-10-17T12:58:36.007486591Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:55:50.31802Z"},{"id":"BIT-postgresql-jdbc-driver-2025-49146","title":"pgjdbc Client Allows Fallback to Insecure Authentication Despite channelBinding=require Configuration","description":"pgjdbc is an open source postgresql JDBC Driver. From 42.7.4 and until 42.7.7, when the PostgreSQL JDBC driver is configured with channel binding set to required (default value is prefer), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI authentication). This could allow a man-in-the-middle attacker to intercept connections that users believed were protected by channel binding requirements. This vulnerability is fixed in 42.7.7.","status":"published","published":"2025-06-14T05:57:03.201Z","modified":"2026-09-10T16:01:45.930586279Z","updated_at":"2026-11-02T15:28:34.724063Z"},{"id":"openSUSE-SU-2025:15264-1","title":"postgresql-jdbc-42.7.7-1.1 on GA media","description":"These are all security issues fixed in the postgresql-jdbc-42.7.7-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-07-03T00:00:00Z","modified":"2026-03-23T04:53:34.118572Z","updated_at":"2026-11-02T16:58:37.399567Z"},{"id":"ROOT-APP-MAVEN-CVE-2025-49146","title":"CVE-2025-49146 in org.postgresql:postgresql - Patched by Root","description":"Root has patched CVE-2025-49146 in the org.postgresql:postgresql package for Root:Maven. Multiple fixed versions available.","status":"published","published":"2026-09-11T05:50:57Z","modified":"2026-09-11T06:15:02.780572908Z","updated_at":"2026-11-02T15:53:27.066589Z"}]}}