{"id":"PYSEC-2026-1062","summary":"web2py exposure of sensitive information","details":"web2py before 2.14.2 allows remote attackers to obtain the session_cookie_key value via a direct request to examples/simple_examples/status.  NOTE: this issue can be leveraged by remote attackers to execute arbitrary code using CVE-2016-3957.","aliases":["CVE-2016-3954","GHSA-jr83-vr4j-mp6p"],"modified":"2026-07-07T11:46:01.325871955Z","published":"2026-07-06T08:03:21.683498Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3954"},{"type":"WEB","url":"https://github.com/web2py/web2py/commit/0820926b500a321060ef6a76ce89fd35a252f8b0"},{"type":"WEB","url":"https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957"},{"type":"PACKAGE","url":"https://github.com/web2py/web2py"},{"type":"WEB","url":"https://usn.ubuntu.com/4030-1"},{"type":"PACKAGE","url":"https://pypi.org/project/web2py"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-jr83-vr4j-mp6p"}],"affected":[{"package":{"name":"web2py","ecosystem":"PyPI","purl":"pkg:pypi/web2py"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.2"}]}],"versions":["1.96.4","1.98.2","2.1.1"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/web2py/PYSEC-2026-1062.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}