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Authenticated non-admin users can send PUT or DELETE requests to /api/{link,story,chest,album}/{id} with numeric IDs to overwrite or delete other users' content, including private items.","state":0,"publishedAt":"2026-10-12T20:55:21.102+00:00","modifiedAt":"2026-10-13T17:47:33.205+00:00","affected":[{"ecosystem":"Vendor product","name":"Shaark","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"MarceauKa\",\n                    \"product\": \"Shaark\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.2.13\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThanOrEqual\": \"1.2.44\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:composer/marceauka/shaark\",\n                    \"repo\": \"https://github.com/MarceauKa/shaark\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","score":7.1,"severity":"HIGH"}],"references":["https://github.com/MarceauKa/shaark/pull/110","https://github.com/MarceauKa/shaark/blob/1.2.44/app/Http/Controllers/Api/LinkController.php","https://github.com/MarceauKa/shaark","https://www.vulncheck.com/advisories/shaark-1.2.13-through-1.2.44-missing-authorization-via-api-update-and-delete-routes"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109568","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109568","identifiers":["CVE-2026-109568"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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