{"cve":"CVE-2026-96275","nvd":{"published":"2026-09-23T15:17:32.180","modified":"2026-10-26T03:17:11.990","status":"Awaiting Analysis","description":"A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extract_extra_data(). On system installs, the write happens as root. Two issues combine: `files/extra` is resolved via path operations that follow symlinks, and blob names from `xa.extra-data-sources` are not sanitized against `..` traversal.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-22"],"references":["https://access.redhat.com/errata/RHSA-2026:80497","https://access.redhat.com/errata/RHSA-2026:80498","https://access.redhat.com/errata/RHSA-2026:80687","https://access.redhat.com/errata/RHSA-2026:89733","https://access.redhat.com/security/cve/CVE-2026-96275"],"products":[],"source":"nvd","synced_at":"2026-10-26T05:25:34.680713055+00:00"},"epss":{"cve":"CVE-2026-96275","score":0.00381,"percentile":0.3177,"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."]}