CVE-2026-111653
CVE-2026-111653 · 53AIHub through 0.5.3 Missing Authentication via PUT /api/enterprises/:id
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.9 · Medium · EPSS 0.4%
- Published
- Updated
Affected products and versions
53aihub
- Versions
- ≥ 0, ≤ 0.5.3: Affected (custom)
No fix published
Original sources
- https://hackmd.io/@hieuPenguinnn/53aihub-unauth-cross-tenant-enterprise-update
- https://github.com/53AI/53AIHub/blob/v0.5.3/api/router/api.go#L54-L66
- https://github.com/53AI/53AIHub/blob/v0.5.3/api/controller/enterprise.go#L122-L160
- https://www.vulncheck.com/advisories/53aihub-through-0.5.3-missing-authentication-via-put-api-enterprises-id
- https://nvd.nist.gov/vuln/detail/CVE-2026-111653