{"id":"CVE-2026-111653","published":"2026-10-16T18:17:46.513","lastModified":"2026-10-16T19:03:18.127","description":"53AIHub through 0.5.3 contains a missing authentication vulnerability that allows unauthenticated attackers to overwrite any enterprise's profile by sending PUT requests to /api/enterprises/:id. Because UpdateEnterprise only enforces checks when IS_SAAS is true, attackers can enumerate sequential enterprise IDs and overwrite logos, display names and branding for defacement and phishing.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwes":["CWE-306"],"vendors":[],"products":[],"references":[{"url":"https://github.com/53AI/53AIHub/blob/v0.5.3/api/controller/enterprise.go#L122-L160","tags":[]},{"url":"https://github.com/53AI/53AIHub/blob/v0.5.3/api/router/api.go#L54-L66","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/53aihub-unauth-cross-tenant-enterprise-update","tags":[]},{"url":"https://www.vulncheck.com/advisories/53aihub-through-0.5.3-missing-authentication-via-put-api-enterprises-id","tags":[]}],"exploitRefs":[{"url":"https://github.com/53AI/53AIHub/blob/v0.5.3/api/controller/enterprise.go#L122-L160","tags":[]},{"url":"https://github.com/53AI/53AIHub/blob/v0.5.3/api/router/api.go#L54-L66","tags":[]}],"hasPoc":true,"ai":null}