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CVE-2026-53872

CVE-2026-53872 · picklescan - Arbitrary File Read via Unsafe Pickle Deserialization

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

picklescan before 0.0.35 contains an unsafe pickle deserialization vulnerability allowing unauthenticated attackers to read arbitrary server files by chaining io.FileIO and urllib.request.urlopen. Attackers can bypass RCE-focused blocklists to exfiltrate sensitive data like /etc/passwd to external servers.

CVSS 8.7 · High · EPSS 0.5% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • picklescan

    Versions
    • ≥ 0, < 0.0.35: Affected (semver)
    • 0.0.35: Not affected (semver)

    Update to 0.0.35

  • picklescan PyPI

    Versions
    • 0.0.1
    • 0.0.10
    • 0.0.11
    • 0.0.12
    • 0.0.13
    • 0.0.14
    • 0.0.15
    • 0.0.16
    • 0.0.17
    • 0.0.18
    • 0.0.19
    • 0.0.2
    • 0.0.20
    • 0.0.21
    • 0.0.22
    • 0.0.23
    • 0.0.24
    • 0.0.25
    • 0.0.26
    • 0.0.27
    • 0.0.28
    • 0.0.29
    • 0.0.3
    • 0.0.30
    • 0.0.31
    • 0.0.32
    • 0.0.33
    • 0.0.34
    • 0.0.4
    • 0.0.5
    • 0.0.6
    • 0.0.7
    • 0.0.8
    • 0.0.9
    Affected ranges
    • ECOSYSTEM: < 0.0.35

    Update to 0.0.35

Original sources

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