{"action":"Upgrade mercurial to 1.6.4 or later.","affected":[{"fixed":"1.6.4","introduced":"0"}],"component":"mercurial","cve_ids":["CVE-2010-4237"],"ecosystem":"PyPI","epss":0.00821,"exploited":false,"fixed_versions":["1.6.4"],"ghsa_id":"GHSA-7gf7-7wx4-mxmw","id":"tcs_01M5KHCS10NGY0SM97VRJ744A6","modified_at":"2026-07-06T08:00:38.849597485Z","published_at":"2026-07-02T14:13:17.606556Z","references":["https://osv.dev/vulnerability/PYSEC-2026-665","https://nvd.nist.gov/vuln/detail/CVE-2010-4237","https://github.com/dscho/hg/commit/4ea63fb25ceeeaaa4cd1026f733b7ea7672c30b3","https://github.com/dscho/hg/commit/89baabf4fb7abf30ef6fdcf3d455a7893e5cc145","https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=598841","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4237","https://bz.mercurial-scm.org/show_bug.cgi?id=2407","https://repo.mercurial-scm.org/hg/rev/6ab4a7d3c179","https://repo.mercurial-scm.org/hg/rev/f2937d6492c5","https://security-tracker.debian.org/tracker/CVE-2010-4237","https://pypi.org/project/mercurial","https://github.com/advisories/GHSA-7gf7-7wx4-mxmw"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"PYSEC-2026-665","url":"https://osv.dev/vulnerability/PYSEC-2026-665"}],"summary":"Mercurial Improper Certificate Validation vulnerability"}