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rsync: Fix of 5 CVEs

Type: advisorySources: OSV

- CVE-2026-53784: confine the daemon module-root chdir under "use chroot = no" by resolving the path with a new safe_open_no_attacker_symlinks() walk that refuses any symlink component not owned by uid 0 or our euid, so a planted symlink at the module path can no longer redirect the daemon's CWD outside the module root (path traversal)

Products
rsync, rsync-daemon
Affected versions
Not specified
Fixed versions
3.1.3-12.el8.tuxcare.els13
CVEs
CVE-2026-53784
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:16 UTC · Revision 1

Source evidence

rsync: Fix of 5 CVEs

core-osv · Original source

Published 7 Sept 2026, 21:21 UTC

- CVE-2026-53784: confine the daemon module-root chdir under "use chroot = no" by resolving the path with a new safe_open_no_attacker_symlinks() walk that refuses any symlink component not owned by uid 0 or our euid, so a planted symlink at the module path can no longer redirect the daemon's CWD outside the module root (path traversal)

osv:CLSA-2026-1788816057

rsync

Fixed versions: 3.1.3-12.el8.tuxcare.els13

rsync-daemon

Fixed versions: 3.1.3-12.el8.tuxcare.els13

Complete source record
{
  "id": "bdae7ce777291e190023195e5fde1a0dd7076ae0a0288e1fb7539fdf2e69ec50",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1788816057",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "rsync: Fix of 5 CVEs",
    "summary": "- CVE-2026-53784: confine the daemon module-root chdir under \"use chroot = no\" by resolving the path with a new safe_open_no_attacker_symlinks() walk that refuses any symlink component not owned by uid 0 or our euid, so a planted symlink at the module path can no longer redirect the daemon's CWD outside the module root (path traversal)",
    "evidence": "osv:CLSA-2026-1788816057",
    "products": [
      {
        "name": {
          "value": "rsync",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.1.3-12.el8.tuxcare.els13",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "rsync-daemon",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.1.3-12.el8.tuxcare.els13",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1788816057",
      "aliases": [
        "CLSA-2026-1788816057"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.1.3-12.el8.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "rsync",
            "purl": "pkg:rpm/tuxcare/rsync?distro=centos-8.5",
            "ecosystem": "TuxCare:CentOS:8.5"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1788816057.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.1.3-12.el8.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "rsync-daemon",
            "purl": "pkg:rpm/tuxcare/rsync-daemon?distro=centos-8.5",
            "ecosystem": "TuxCare:CentOS:8.5"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1788816057.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:51.369823029Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-53784"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1788816057.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53784",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53786",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53789",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70459",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70463"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-53784",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 448706,
  "published_at": "2026-09-07T21:21:12+00:00"
}