{"cve":"CVE-2026-78203","nvd":{"published":"2026-08-24T01:16:57.530","modified":"2026-10-12T16:10:00.220","status":"Deferred","description":"Ghostwriter before 7.1.2 fails to validate template ownership in the report template swap endpoint, allowing attackers to attach client-scoped templates from other clients to their own reports. Attackers can exploit sequential template primary keys to enumerate and attach foreign templates, then generate reports to disclose template contents including letterhead, boilerplate, and methodology text.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","score":7.1},"cwes":["CWE-639"],"references":["https://github.com/GhostManager/Ghostwriter","https://github.com/GhostManager/Ghostwriter/blob/v7.1.1/ghostwriter/reporting/views.py#L275-L315","https://github.com/GhostManager/Ghostwriter/commit/5b2a4a297e44c823c16f65b1ba101c742791cd0b","https://github.com/geo-chen/oss/blob/main/Ghostwriter.md","https://www.vulncheck.com/advisories/ghostwriter-before-cross-client-report-template-disclosure-via-unauthorized-template-swap"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:49:38.260478770+00:00"},"epss":{"cve":"CVE-2026-78203","score":0.00369,"percentile":0.30477,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}