{"id":"PYSEC-2026-457","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).","aliases":["BIT-pillow-2023-50447","CVE-2023-50447","GHSA-3f63-hfp8-52jq"],"modified":"2026-07-01T20:23:00.296282Z","published":"2026-06-29T11:50:41.331802Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50447"},{"type":"WEB","url":"https://github.com/python-pillow/Pillow/commit/45c726fd4daa63236a8f3653530f297dc87b160a"},{"type":"WEB","url":"https://devhub.checkmarx.com/cve-details/CVE-2023-50447"},{"type":"WEB","url":"https://duartecsantos.github.io/2023-01-02-CVE-2023-50447"},{"type":"WEB","url":"https://duartecsantos.github.io/2024-01-02-CVE-2023-50447"},{"type":"PACKAGE","url":"https://github.com/python-pillow/Pillow"},{"type":"WEB","url":"https://github.com/python-pillow/Pillow/releases"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00019.html"},{"type":"WEB","url":"https://pillow.readthedocs.io/en/stable/releasenotes/10.2.0.html#security"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/01/20/1"},{"type":"PACKAGE","url":"https://pypi.org/project/pillow"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-3f63-hfp8-52jq"}],"affected":[{"package":{"name":"pillow","ecosystem":"PyPI","purl":"pkg:pypi/pillow"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.2.0"}]}],"versions":["1.0","1.1","1.2","1.3","1.4","1.5","1.6","1.7.0","1.7.1","1.7.2","1.7.3","1.7.4","1.7.5","1.7.6","1.7.7","1.7.8","10.0.0","10.0.1","10.1.0","2.0.0","2.1.0","2.2.0","2.2.1","2.2.2","2.3.0","2.3.1","2.3.2","2.4.0","2.5.0","2.5.1","2.5.2","2.5.3","2.6.0","2.6.1","2.6.2","2.7.0","2.8.0","2.8.1","2.8.2","2.9.0","3.0.0","3.1.0","3.1.0.rc1","3.1.0rc1","3.1.1","3.1.2","3.2.0","3.3.0","3.3.1","3.3.2","3.3.3","3.4.0","3.4.1","3.4.2","4.0.0","4.1.0","4.1.1","4.2.0","4.2.1","4.3.0","5.0.0","5.1.0","5.2.0","5.3.0","5.4.0","5.4.0.dev0","5.4.1","6.0.0","6.1.0","6.2.0","6.2.1","6.2.2","7.0.0","7.1.0","7.1.1","7.1.2","7.2.0","8.0.0","8.0.1","8.1.0","8.1.1","8.1.2","8.2.0","8.3.0","8.3.1","8.3.2","8.4.0","9.0.0","9.0.1","9.1.0","9.1.1","9.2.0","9.3.0","9.4.0","9.5.0"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/pillow/PYSEC-2026-457.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}