{
  "cveId": "CVE-2026-54291",
  "url": "https://patchblox.com/security/cve/CVE-2026-54291",
  "summary": "CVE-2026-54291 is fixed in libpgjava on 1 platform by DEBIAN-CVE-2026-54291 (version 42.7.12-1), released July 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libpgjava: pgjdbc is an open source postgresql JDBC Driver",
  "description": "pgjdbc is an open source postgresql JDBC Driver. In releases 42.7.4 through 42.7.11, channelBinding=require connections can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it, losing the man-in-the-middle protection the setting is meant to guarantee. An attacker who can intercept the TLS connection can trigger the downgrade with a certificate whose signature algorithm has no tls-server-end-point channel-binding hash, because the bundled com.ongres.scram:scram-client returns an empty byte array instead of failing and pgJDBC ScramAuthenticator checks only that the server advertised a PLUS mechanism, without rejecting the empty binding or checking that the negotiated mechanism uses channel binding. This issue is fixed in version 42.7.12.",
  "published": "2026-07-06T19:17:08Z",
  "severity": "medium",
  "cvss": 5.9,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
  "epss": 0.00236,
  "epssPercentile": 0.14707,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libpgjava",
      "release": "Debian 14",
      "fixedVersion": "42.7.12-1",
      "fix": "DEBIAN-CVE-2026-54291",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-54291",
      "released": "2026-07-07T15:28:50Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}