{"id":"PYSEC-2026-281","summary":"Improper Neutralization of Argument Delimiters in a Decompiling Package Process in APKLeaks","details":"APKLeaks prior to v2.0.4 allows remote authenticated attackers to execute arbitrary OS commands via package name inside the application manifest.\n\n### Impact\n \nAn authenticated attacker could include arguments that allow unintended commands or code to be executed, allow sensitive data to be read or modified, or could cause other unintended behavior through malicious package names.\n\n\n### References\n \n- a966e781499ff6fd4eea66876d7532301b13a382\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Email me at [me@dw1.io](mailto:me@dw1.io)\n","aliases":["CVE-2021-21386","GHSA-8434-v7xw-8m9x"],"modified":"2026-07-01T20:22:49.408498Z","published":"2026-06-29T11:50:33.912853Z","references":[{"type":"WEB","url":"https://github.com/dwisiswant0/apkleaks/security/advisories/GHSA-8434-v7xw-8m9x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21386"},{"type":"WEB","url":"https://github.com/dwisiswant0/apkleaks/commit/a966e781499ff6fd4eea66876d7532301b13a382"},{"type":"PACKAGE","url":"https://github.com/dwisiswant0/apkleaks"},{"type":"PACKAGE","url":"https://pypi.org/project/apkleaks"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-8434-v7xw-8m9x"}],"affected":[{"package":{"name":"apkleaks","ecosystem":"PyPI","purl":"pkg:pypi/apkleaks"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.4"}]}],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/apkleaks/PYSEC-2026-281.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N"}]}