{"id":"CVE-2016-3954","aliases":["GHSA-jr83-vr4j-mp6p","PYSEC-2026-1062"],"title":"web2py exposure of sensitive information","summary":"web2py exposure of sensitive information","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","vendor":"web2py","product":"web2py","ecosystem":"pip","affected":["web2py < 2.14.2"],"patched":["web2py 2.14.2"],"published":"2022-05-14","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-jr83-vr4j-mp6p","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3954"},{"url":"https://github.com/web2py/web2py/commit/0820926b500a321060ef6a76ce89fd35a252f8b0"},{"url":"https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957"},{"url":"https://github.com/web2py/web2py"},{"url":"https://usn.ubuntu.com/4030-1"}],"tags":["osv","pip"],"epss":0.01462,"epssPercentile":0.72043,"ingestedAt":"2026-07-08T18:25:50.875Z","slug":"CVE-2016-3954","body":"## Overview\n\nweb2py 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.\n\n## Affected packages\n\n- `web2py < 2.14.2`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `web2py 2.14.2`","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":30.3,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}