{"id":"CVE-2026-93676","title":"xdg-dbus-proxy incorrectly filters D-Bus broadcast messages, bypassing configured path, interface, and member restrictions","summary":"xdg-dbus-proxy incorrectly filters D-Bus broadcast messages, bypassing configured path, interface, and member restrictions. This allows a sandboxed Flatpak application to intercept broadcast signals on the D-Bus session bus and AT-SPI bu…","severity":"low","cvss":3.2,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","cwe":["CWE-284"],"vendor":"Red Hat","product":"xdg-dbus-proxy","affected":["xdg-dbus-proxy (all versions)","xdg-dbus-proxy (all versions)"],"published":"2026-09-18","updated":"2026-09-22","sourceUpdated":"2026-09-22T23:17:08.413","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93676","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-93676","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2537014","label":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/22/24","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93676.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93676"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93676"},{"url":"https://github.com/flatpak/xdg-dbus-proxy/security/advisories/GHSA-r7hp-698j-2h6c"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-18T15:10:24.926555Z"},"epss":0.00095,"epssPercentile":0.00742,"ingestedAt":"2026-09-18T14:43:13.068Z","slug":"CVE-2026-93676","body":"## Overview\n\nxdg-dbus-proxy incorrectly filters D-Bus broadcast messages, bypassing configured path, interface, and member restrictions. This allows a sandboxed Flatpak application to intercept broadcast signals on the D-Bus session bus and AT-SPI bus that should be restricted, potentially exposing sensitive information to unauthorized applications.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · updated 2026-09-22 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93676.json)","depth":"sunlit","depthScore":18,"depthScoreParts":{"impact":17.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}