{"action":"Upgrade web2py to 2.14.2 or later.","affected":[{"fixed":"2.14.2","introduced":"0"}],"component":"web2py","cve_ids":["CVE-2016-3953"],"ecosystem":"PyPI","epss":0.0334,"exploited":false,"fixed_versions":["2.14.2"],"ghsa_id":"GHSA-q2rq-qgcf-m22w","id":"tcs_01M5KHC6SWGZPN6BDF63DCPVYT","modified_at":"2026-07-01T20:23:11.781906Z","published_at":"2026-06-29T11:50:32.809887Z","references":["https://osv.dev/vulnerability/PYSEC-2026-570","https://nvd.nist.gov/vuln/detail/CVE-2016-3953","https://github.com/web2py/web2py/issues/1205","https://github.com/web2py/web2py/commit/9706d125b42481178d2b423de245f5d2faadbf40","https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957","https://github.com/web2py/web2py","https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.py","https://usn.ubuntu.com/4030-1","https://pypi.org/project/web2py","https://github.com/advisories/GHSA-q2rq-qgcf-m22w"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"PYSEC-2026-570","url":"https://osv.dev/vulnerability/PYSEC-2026-570"}],"summary":"web2py remote code execution via hardcoded encryption key in session.connect function"}