{"vulnerability": "cve-2026-90616", "sightings": [{"uuid": "c08f40b3-9dcc-4360-93de-073bc0306ea8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-90616", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/117263264954155475", "content": "CVE-2026-90616: Flatpak <1.18.1 has a HIGH severity vuln \u2014 malicious sandboxed apps can use symlinks to gain arbitrary read/write host access, risking code execution. Update to 1.18.1+ now. https://radar.offseq.com/threat/in-flatpak-before-1181-a-malicious-sandboxed-app-can-obtain-arbitrary-read-and-write-access-to-files-4ccb40754f32d716 #OffSeq #Flatpak #Linux #Security", "creation_timestamp": "2026-09-13T10:30:25.444214Z"}, {"uuid": "0ade715a-5a37-4732-b486-6b9b0146b6f5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-90616", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mvffb6fut32p", "content": "Flatpak <1.18.1 HIGH severity vuln (CVE-2026-90616): malicious apps can exploit symlinks for arbitrary read/write host access and possible code exec. Upgrade to 1.18.1+. https://radar.offseq.com/threat/in-flatpak-before-1181-a-malicious-sandboxed-app-can-obtain-arbitrary-read-and-write-access-to-...", "creation_timestamp": "2026-09-13T10:30:27.349408Z"}]}