rsync: Fix of CVE-2026-53802

{
  "id": "6b7e90168195a792f6a58a25125f0212df46f1526648660c6d0403bd6ac85adf",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1792766755",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "rsync: Fix of CVE-2026-53802",
    "summary": "- CVE-2026-53783: harden the support/rrsync wrapper: refuse paths that resolve outside the restricted directory, refuse -L/-k/-K and --copy-unsafe-links there, hand the transfer arguments and the receiver's directory options to rsync as held directories, stop path arguments being parsed as options, open rrsync.log without following a symlink; add --drop-D so a restricted receiver does not create devices or special files, and --confine-root so rsync refuses names that leave the restricted directory, including --files-from lines and merge files - CVE-2026-53802: open the daemon secrets file, the client --password-file, --files-from and the --filter merge / per-directory merge files refusing attacker-planted symlinks -- confined beneath the module root on a daemon, owner-trust walk otherwise; secrets and password files are checked with fstat() of the opened fd; /dev/fd, /dev/stdin and <(...) keep working",
    "evidence": "osv:CLSA-2026-1792766755",
    "products": [
      {
        "name": {
          "value": "rsync",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.6-12.el6.tuxcare.els14",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1792766755",
      "aliases": [
        "CLSA-2026-1792766755"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.6-12.el6.tuxcare.els14"
                }
              ]
            }
          ],
          "package": {
            "name": "rsync",
            "purl": "pkg:rpm/tuxcare/rsync?distro=oraclelinux-6",
            "ecosystem": "TuxCare:OracleLinux:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1792766755.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:46.142806054Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-53783",
        "CVE-2026-53802"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/oraclelinux6els/CLSA-2026-1792766755.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53802"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-53783",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53802",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 450128,
  "published_at": "2026-10-23T14:46:06+00:00"
}