{"action":"Upgrade thumbor to 7.8.0 or later.","affected":[{"fixed":"7.8.0","introduced":"0"}],"component":"thumbor","cve_ids":["CVE-2026-53502"],"ecosystem":"PyPI","epss":0.00522,"exploited":false,"fixed_versions":["7.8.0"],"ghsa_id":"GHSA-cj54-hpcc-gj6h","id":"tcs_01M5KFD63FWY4C7XQTYRD2ZV8F","modified_at":"2026-08-04T14:40:39.499145349Z","published_at":"2026-07-31T19:03:54Z","references":["https://osv.dev/vulnerability/GHSA-cj54-hpcc-gj6h","https://github.com/thumbor/thumbor/security/advisories/GHSA-cj54-hpcc-gj6h","https://github.com/thumbor/thumbor/commit/3b986d13677b30fe6651c8c72ebb25957ac0a40d","https://github.com/thumbor/thumbor","https://github.com/thumbor/thumbor/releases/tag/7.8.0"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-cj54-hpcc-gj6h","url":"https://osv.dev/vulnerability/GHSA-cj54-hpcc-gj6h"}],"summary":"Thumbor has path traversal via post-validation URL decoding bypass in file_loader"}