{"cve":"CVE-2016-3954","nvd":{"published":"2018-02-06T18:29:00.337","modified":"2026-06-17T00:46:37.883","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.5},"cwes":["CWE-200"],"references":["https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/","https://usn.ubuntu.com/4030-1/","https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/","https://usn.ubuntu.com/4030-1/"],"products":["web2py:web2py"],"source":"nvd","synced_at":"2026-10-19T20:48:34.567387330+00:00"},"epss":{"cve":"CVE-2016-3954","score":0.01396,"percentile":0.72425,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jr83-vr4j-mp6p","url":"https://osv.dev/vulnerability/GHSA-jr83-vr4j-mp6p","summary":"web2py exposure of sensitive information","modified":"2026-07-07T11:56:34.407712802Z","packages":[{"ecosystem":"PyPI","name":"web2py","purl":"pkg:pypi/web2py","ranges":["<2.14.2"],"fixed":["2.14.2"]}]},{"id":"PYSEC-2026-1062","url":"https://osv.dev/vulnerability/PYSEC-2026-1062","summary":"web2py exposure of sensitive information","modified":"2026-07-07T11:45:30.973148404Z","packages":[{"ecosystem":"PyPI","name":"web2py","purl":"pkg:pypi/web2py","ranges":["<2.14.2"],"fixed":["2.14.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}