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CVE-2026-43891

CVE-2026-43891 · changedetection.io: Arbitrary Local File Read via crafted backup restore

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changedetection.io is a free open source web page change detection tool. Prior to 0.55.1, the vulnerability is caused by trusting attacker-controlled snapshot paths restored from backup files. The vulnerable flow starts in the backup restore logic. When a backup ZIP is restored, the application extracts the archive and copies each restored watch UUID directory directly into the live datastore using shutil.copytree(entry.path, dst_dir). This preserves attacker-controlled files inside the restored watch directory, including history.txt. After restore, the application parses history.txt in the watch history property and returns the contents of the targeted local file. This vulnerability is fixed in 0.55.1.

CVSS 7.5 · Высокий · EPSS 0,4% · Есть исправление

Опубликовано
Обновлено

Стек: python

Затронутые продукты и версии

  • changedetection.io

    Версии
    • < 0.55.1: Затронуто

    Нет опубликованного исправления

  • changedetection-io PyPI

    Версии
    • 0.38.2
    • 0.39
    • 0.39.1
    • 0.39.10
    • 0.39.10.post1
    • 0.39.10.post2
    • 0.39.11
    • 0.39.12
    • 0.39.13
    • 0.39.13.1
    • 0.39.14
    • 0.39.14.1
    • 0.39.15
    • 0.39.16
    • 0.39.17
    • 0.39.17.1
    • 0.39.17.2
    • 0.39.18
    • 0.39.19
    • 0.39.19.1
    • 0.39.2
    • 0.39.20
    • 0.39.20.1
    • 0.39.20.2
    • 0.39.20.3
    • 0.39.20.4
    • 0.39.21
    • 0.39.21.1
    • 0.39.22
    • 0.39.22.1
    • 0.39.3
    • 0.39.4
    • 0.39.5
    • 0.39.6
    • 0.39.7
    • 0.39.8
    • 0.39.9
    • 0.40.0
    • 0.40.0.1
    • 0.40.0.2
    • 0.40.0.3
    • 0.40.0.4
    • 0.40.1.0
    • 0.40.1.1
    • 0.40.2
    • 0.40.3
    • 0.41
    • 0.41.1
    • 0.42
    • 0.42.1
    • 0.42.2
    • 0.42.3
    • 0.43.1
    • 0.43.2
    • 0.44
    • 0.44.1
    • 0.45
    • 0.45.1
    • 0.45.11
    • 0.45.12
    • 0.45.13
    • 0.45.14
    • 0.45.15
    • 0.45.16
    • 0.45.17
    • 0.45.18
    • 0.45.19
    • 0.45.2
    • 0.45.20
    • 0.45.21
    • 0.45.22
    • 0.45.23
    • 0.45.24
    • 0.45.25
    • 0.45.26
    • 0.45.3
    • 0.45.4
    • 0.45.5
    • 0.45.6
    • 0.45.7
    • 0.45.7.1
    • 0.45.7.2
    • 0.45.7.3
    • 0.45.8
    • 0.45.8.1
    • 0.45.9
    • 0.46.0
    • 0.46.1
    • 0.46.2
    • 0.46.3
    • 0.46.4
    • 0.47.0
    • 0.47.1
    • 0.47.2
    • 0.47.3
    • 0.47.4
    • 0.47.5
    • 0.47.6
    • 0.48.0
    • 0.48.1
    • 0.48.2
    • 0.48.3
    • 0.48.4
    • 0.48.5
    • 0.48.6
    • 0.49.0
    • 0.49.1
    • 0.49.10
    • 0.49.12
    • 0.49.13
    • 0.49.14
    • 0.49.15
    • 0.49.16
    • 0.49.17
    • 0.49.18
    • 0.49.2
    • 0.49.3
    • 0.49.4
    • 0.49.5
    • 0.49.6
    • 0.49.7
    • 0.49.8
    • 0.49.9
    • 0.50.1
    • 0.50.10
    • 0.50.11
    • 0.50.12
    • 0.50.13
    • 0.50.14
    • 0.50.15
    • 0.50.16
    • 0.50.17
    • 0.50.18
    • 0.50.19
    • 0.50.2
    • 0.50.20
    • 0.50.21
    • 0.50.22
    • 0.50.23
    • 0.50.24
    • 0.50.25
    • 0.50.26
    • 0.50.27
    • 0.50.28
    • 0.50.29
    • 0.50.3
    • 0.50.30
    • 0.50.31
    • 0.50.32
    • 0.50.33
    • 0.50.34
    • 0.50.35
    • 0.50.37
    • 0.50.38
    • 0.50.39
    • 0.50.4
    • 0.50.40
    • 0.50.41
    • 0.50.42
    • 0.50.43
    • 0.50.5
    • 0.50.6
    • 0.50.7
    • 0.50.8
    • 0.50.9
    • 0.51.0
    • 0.51.1
    • 0.51.2
    • 0.51.3
    • 0.51.4
    • 0.52.1
    • 0.52.2
    • 0.52.3
    • 0.52.4
    • 0.52.5
    • 0.52.6
    • 0.52.7
    • 0.52.8
    • 0.52.9
    • 0.53.1
    • 0.53.2
    • 0.53.3
    • 0.53.4
    • 0.53.5
    • 0.53.6
    • 0.53.7
    • 0.54.1
    • 0.54.10
    • 0.54.2
    • 0.54.3
    • 0.54.4
    • 0.54.5
    • 0.54.6
    • 0.54.7
    • 0.54.8
    • 0.54.9
    Затронутые диапазоны версий
    • ECOSYSTEM: < 0.55.1

    Обновитесь до 0.55.1

Первоисточники

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