CVE-2026-119644
Blossom through 1.17.1 contains an authorization bypass vulnerability that allows authenticated non-readonly users to modify other users' pi
CVSS
5.4
Média
EPSS
0.3%
p26
KEV
—
Exploit Today
8
0-100
Publicado: 30 de out. de 2026 · Última mod.: 5 de nov. de 2026 · CWE-639
0.3%EPSS · 30 dias0.3%
2026-10-312026-11-07
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.
- github.comhttps://github.com/blossom-editor/blossom
- github.comhttps://github.com/blossom-editor/blossom/blob/v1.17.1/blossom-backend/backend/src/main/java/com/blossom/backend/server/picture/PictureController.java#L56-L109
- github.comhttps://github.com/blossom-editor/blossom/blob/v1.17.1/blossom-backend/backend/src/main/java/com/blossom/backend/server/picture/PictureService.java#L222-L232
- github.comhttps://github.com/blossom-editor/blossom/issues/214
- hackmd.iohttps://hackmd.io/@hieuPenguinnn/blossom-picture-idor-cross-user-delete
- www.vulncheck.comhttps://www.vulncheck.com/advisories/blossom-through-1.17.1-authorization-bypass-via-picture-delete-and-star-endpoints
- hackmd.iohttps://hackmd.io/@hieuPenguinnn/blossom-picture-idor-cross-user-delete
CVECVSSEPSSKEVRExploitTítuloMod.
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