PYSEC-2026-457

    Dashboard / Vulnerabilities / PYSEC-2026-457

    PYSEC-2026-457

    Published: 29 Jun 2026Last Modified: 1 Jul 2026

    Summary: Arbitrary Code Execution in Pillow

    Details: Pillow through 10.1.0 allows PIL.ImageMath.eval Arbitrary Code Execution via the environment parameter, a different vulnerability than CVE-2022-22817 (which was about the expression parameter).

    References: https://nvd.nist.gov/vuln/detail/CVE-2023-50447, https://github.com/python-pillow/Pillow/commit/45c726fd4daa63236a8f3653530f297dc87b160a, https://devhub.checkmarx.com/cve-details/CVE-2023-50447, https://duartecsantos.github.io/2023-01-02-CVE-2023-50447, https://duartecsantos.github.io/2024-01-02-CVE-2023-50447, https://github.com/python-pillow/Pillow, https://github.com/python-pillow/Pillow/releases, https://lists.debian.org/debian-lts-announce/2024/01/msg00019.html, https://pillow.readthedocs.io/en/stable/releasenotes/10.2.0.html#security, http://www.openwall.com/lists/oss-security/2024/01/20/1, https://pypi.org/project/pillow, https://github.com/advisories/GHSA-3f63-hfp8-52jq

    Affected packages

    Package

    Name: pillow

    Purl: pkg:pypi/pillow

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -10.2.0

    Affected versions

    1.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2026-457 | CVE-DB