{"action":"Upgrade compliance-trestle to 4.1.0 or later.","affected":[{"fixed":"4.1.0","introduced":"0"}],"component":"compliance-trestle","cve_ids":["CVE-2026-52776"],"ecosystem":"PyPI","epss":0.00439,"exploited":false,"fixed_versions":["4.1.0"],"ghsa_id":"GHSA-h47f-gmjp-m7rr","id":"tcs_01M5KFJQ6MSDCGTRFJ58AB6QZJ","modified_at":"2026-08-19T12:55:29.265641205Z","published_at":"2026-08-12T15:21:17Z","references":["https://osv.dev/vulnerability/GHSA-h47f-gmjp-m7rr","https://github.com/oscal-compass/compliance-trestle/security/advisories/GHSA-h47f-gmjp-m7rr","https://github.com/oscal-compass/compliance-trestle/commit/d107cd16efe8eb15d46be3c1d97f1ec73d32447c","https://github.com/oscal-compass/compliance-trestle"],"severity":{"label":"high","score":8.6},"sources":[{"source":"osv","source_id":"GHSA-h47f-gmjp-m7rr","url":"https://osv.dev/vulnerability/GHSA-h47f-gmjp-m7rr"},{"source":"nvd","source_id":"CVE-2026-52776","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52776"}],"summary":"compliance-trestle has an URLSecurityValidator SSRF allowlist bypass via IPv4-mapped IPv6 and 0.0.0.0"}