{"action":"Upgrade accesscontrol to 7.4 or later.","affected":[{"fixed":"7.4","introduced":"0"}],"component":"accesscontrol","cve_ids":["CVE-2026-77401"],"ecosystem":"PyPI","epss":0.00469,"exploited":false,"fixed_versions":["7.4"],"ghsa_id":"GHSA-pq59-9fq7-m886","id":"tcs_01M5KFTFZ2H75JZR8QY623XB6Q","modified_at":"2026-10-01T17:56:05.701166603Z","published_at":"2026-09-17T16:30:37Z","references":["https://osv.dev/vulnerability/GHSA-pq59-9fq7-m886","https://github.com/zopefoundation/AccessControl/security/advisories/GHSA-pq59-9fq7-m886","https://nvd.nist.gov/vuln/detail/CVE-2026-77401","https://github.com/zopefoundation/AccessControl/commit/f980450eea416718be62847f34dfd51822938e43","https://github.com/zopefoundation/AccessControl","https://github.com/zopefoundation/AccessControl/releases/tag/7.4"],"severity":{"label":"medium","score":6.8},"sources":[{"source":"osv","source_id":"GHSA-pq59-9fq7-m886","url":"https://osv.dev/vulnerability/GHSA-pq59-9fq7-m886"}],"summary":"Zope AccessControl vulnerable to information disclosure through Python string `format` and `format_map` functions"}