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CVE-2026-53785

CVE-2026-53785 · rsync < 3.5.0 Path Traversal Write Escape via --relative Mode

This page contains facts from public vulnerability sources. Check the original advisory before updating.

rsync before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to write files outside the intended destination directory tree by crafting relative paths with symlink components in --relative mode. The make_path() function follows symlinks pointing outside the destination tree while creating intermediate directories without verifying that created paths remain within the destination boundary, enabling arbitrary file writes on the receiver's filesystem.

CVSS 6.9 · Medium · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • rsync

    Versions
    • ≥ 0, ≤ 3.4.4: Affected (semver)
    • 3.5.0: Not affected (semver)

    Update to 3.5.0

  • rsync Debian:12

    Versions
    • 3.2.7-1
    • 3.2.7-1+deb12u1
    • 3.2.7-1+deb12u2
    • 3.2.7-1+deb12u3
    • 3.2.7-1+deb12u4
    • 3.2.7-1+deb12u5
    • 3.2.7-1+deb12u6
    • 3.3.0+ds1-1
    • 3.3.0+ds1-2
    • 3.3.0+ds1-3
    • 3.3.0+ds1-4
    • 3.3.0-1
    • 3.4.1+ds1-1
    • 3.4.1+ds1-2
    • 3.4.1+ds1-3
    • 3.4.1+ds1-4
    • 3.4.1+ds1-4~exp1
    • 3.4.1+ds1-4~exp2
    • 3.4.1+ds1-5
    • 3.4.1+ds1-5~exp1
    • 3.4.1+ds1-6
    • 3.4.1+ds1-7
    • 3.4.1+ds1-8~exp1
    • 3.4.2+ds1-1
    • 3.4.2+ds1-2
    • 3.4.3+ds1-1
    • 3.4.3+ds1-2
    • 3.4.4+ds1-1
    • 3.5.0+ds1-1
    • 3.5.0+ds1-2
    • 3.5.0+ds1-3
    • 3.5.1+ds1-1
    • 3.5.1+ds1-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • rsync Debian:13

    Versions
    • 3.4.1+ds1-5
    • 3.4.1+ds1-5+deb13u1
    • 3.4.1+ds1-5+deb13u2
    • 3.4.1+ds1-5+deb13u3
    • 3.4.1+ds1-5+deb13u4
    • 3.4.1+ds1-6
    • 3.4.1+ds1-7
    • 3.4.1+ds1-8~exp1
    • 3.4.2+ds1-1
    • 3.4.2+ds1-2
    • 3.4.3+ds1-1
    • 3.4.3+ds1-2
    • 3.4.4+ds1-1
    Affected ranges
    • ECOSYSTEM: < 3.5.0+ds1-0+deb13u1

    Update to 3.5.0+ds1-0+deb13u1

  • rsync Debian:14

    Versions
    • 3.4.1+ds1-5
    • 3.4.1+ds1-6
    • 3.4.1+ds1-7
    • 3.4.1+ds1-8~exp1
    • 3.4.2+ds1-1
    • 3.4.2+ds1-2
    • 3.4.3+ds1-1
    • 3.4.3+ds1-2
    • 3.4.4+ds1-1
    Affected ranges
    • ECOSYSTEM: < 3.5.0+ds1-1

    Update to 3.5.0+ds1-1

  • rsync Ubuntu:Pro:14.04:LTS

    Versions
    • 3.0.9-4ubuntu1
    • 3.1.0-2
    • 3.1.0-2ubuntu0.1
    • 3.1.0-2ubuntu0.2
    • 3.1.0-2ubuntu0.3
    • 3.1.0-2ubuntu0.4
    • 3.1.0-2ubuntu0.4+esm1
    • 3.1.0-2ubuntu0.4+esm2
    • 3.1.0-2ubuntu0.4+esm3
    • 3.1.0-2ubuntu0.4+esm4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • rsync Ubuntu:Pro:16.04:LTS

    Versions
    • 3.1.1-3
    • 3.1.1-3ubuntu1
    • 3.1.1-3ubuntu1.1
    • 3.1.1-3ubuntu1.2
    • 3.1.1-3ubuntu1.3
    • 3.1.1-3ubuntu1.3+esm1
    • 3.1.1-3ubuntu1.3+esm2
    • 3.1.1-3ubuntu1.3+esm3
    • 3.1.1-3ubuntu1.3+esm4
    • 3.1.1-3ubuntu1.3+esm5
    • 3.1.1-3ubuntu1.3+esm6
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • rsync Ubuntu:Pro:18.04:LTS

    Versions
    • 3.1.2-2
    • 3.1.2-2.1
    • 3.1.2-2.1ubuntu1
    • 3.1.2-2.1ubuntu1.1
    • 3.1.2-2.1ubuntu1.2
    • 3.1.2-2.1ubuntu1.3
    • 3.1.2-2.1ubuntu1.4
    • 3.1.2-2.1ubuntu1.5
    • 3.1.2-2.1ubuntu1.6
    • 3.1.2-2.1ubuntu1.6+esm1
    • 3.1.2-2.1ubuntu1.6+esm2
    • 3.1.2-2.1ubuntu1.6+esm3
    • 3.1.2-2.1ubuntu1.6+esm4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • rsync Ubuntu:Pro:20.04:LTS

    Versions
    • 3.1.3-6
    • 3.1.3-8
    • 3.1.3-8ubuntu0.1
    • 3.1.3-8ubuntu0.2
    • 3.1.3-8ubuntu0.3
    • 3.1.3-8ubuntu0.4
    • 3.1.3-8ubuntu0.5
    • 3.1.3-8ubuntu0.7
    • 3.1.3-8ubuntu0.8
    • 3.1.3-8ubuntu0.9
    • 3.1.3-8ubuntu0.9+esm1
    • 3.1.3-8ubuntu0.9+esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • rsync Ubuntu:22.04:LTS

    Versions
    • 3.2.3-4ubuntu1
    • 3.2.3-4ubuntu2
    • 3.2.3-8ubuntu1
    • 3.2.3-8ubuntu2
    • 3.2.3-8ubuntu3
    • 3.2.3-8ubuntu3.1
    • 3.2.7-0ubuntu0.22.04.2
    • 3.2.7-0ubuntu0.22.04.3
    • 3.2.7-0ubuntu0.22.04.4
    • 3.2.7-0ubuntu0.22.04.6
    • 3.2.7-0ubuntu0.22.04.7
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • rsync Ubuntu:24.04:LTS

    Versions
    • 3.2.7-1
    • 3.2.7-1build1
    • 3.2.7-1build2
    • 3.2.7-1ubuntu1
    • 3.2.7-1ubuntu1.1
    • 3.2.7-1ubuntu1.2
    • 3.2.7-1ubuntu1.4
    • 3.2.7-1ubuntu1.5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • rsync Ubuntu:26.10

    Versions
    • 3.4.1+ds1-7
    • 3.4.4+ds1-1
    • 3.4.4+ds1-1build1
    • 3.5.0+ds1-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • rsync Ubuntu:26.04:LTS

    Versions
    • 3.4.1+ds1-5ubuntu1
    • 3.4.1+ds1-6
    • 3.4.1+ds1-7
    • 3.4.1+ds1-7ubuntu0.2
    • 3.4.1+ds1-7ubuntu0.3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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