{"id":"CVE-2026-119644","state":"PUBLISHED","title":"Blossom through 1.17.1 Authorization Bypass via Picture Delete and Star Endpoints","description":"Blossom through 1.17.1 contains an authorization bypass vulnerability that allows authenticated non-readonly users to modify other users' pictures by supplying arbitrary picture ids. Attackers can call the picture delete, /picture/del/batch, or /picture/star endpoints to permanently delete victims' images and stored files or change their star status.","publishedAt":"2026-10-30T14:16:08.905Z","updatedAt":"2026-10-30T14:16:08.905Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["blossom-editor Blossom"],"affected":[{"vendor":"blossom-editor","product":"Blossom","packageURL":"pkg:github/blossom-editor/blossom","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.17.1","versionType":"semver"}],"repo":"https://github.com/blossom-editor/blossom"}],"references":["https://github.com/blossom-editor/blossom/issues/214","https://github.com/blossom-editor/blossom/blob/v1.17.1/blossom-backend/backend/src/main/java/com/blossom/backend/server/picture/PictureService.java#L222-L232","https://github.com/blossom-editor/blossom/blob/v1.17.1/blossom-backend/backend/src/main/java/com/blossom/backend/server/picture/PictureController.java#L56-L109","https://hackmd.io/@hieuPenguinnn/blossom-picture-idor-cross-user-delete","https://github.com/blossom-editor/blossom","https://www.vulncheck.com/advisories/blossom-through-1.17.1-authorization-bypass-via-picture-delete-and-star-endpoints"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-30T14:28:06.795Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/119xxx/CVE-2026-119644.json","commit":"03ee80f5da31e6cc15e39ca4963953877c90d569","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-119644","state":"PUBLISHED","datePublished":"2026-10-30T14:16:08.905Z","dateUpdated":"2026-10-30T14:16:08.905Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-30T13:43:32.954Z"},"containers":{"cna":{"title":"Blossom through 1.17.1 Authorization Bypass via Picture Delete and Star Endpoints","descriptions":[{"lang":"en","value":"Blossom through 1.17.1 contains an authorization bypass vulnerability that allows authenticated non-readonly users to modify other users' pictures by supplying arbitrary picture ids. 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