CVE-2026-111684
Magistrala through 1.0.0 contains an authorization bypass vulnerability that allows authenticated workspace members to view, issue, and revoke other tenants' device certificates by supplying foreign serials or entity ids.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Magistrala through 1.0.0 contains an authorization bypass vulnerability that allows authenticated workspace members to view, issue, and revoke other tenants' device certificates by supplying foreign serials or entity ids. Attackers can call RevokeBySerial, RevokeAll, ViewCert, ListCerts, or IssueCert under their own workspace path to disconnect other tenants' devices, disclose certificates, and mint CA-signed certificates for their device ids.
- CVSS 4.0
- 7.2 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.22% probability · 12th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-639
- Source
- disclosure@vulncheck.com
EPSS moved from 0.2% on 17 October 2026 to 0.2% on 26 October 2026.
References
- https://github.com/absmach/magistrala
- https://github.com/absmach/magistrala/blob/v1.0.0/certs/middleware/authorization.go#L97-L110
- https://github.com/absmach/magistrala/blob/v1.0.0/certs/service.go#L136-L180
- https://hackmd.io/@hieuPenguinnn/magistrala-certs-missing-workspace-scope-cross-tenant
- https://www.vulncheck.com/advisories/magistrala-through-1.0.0-cross-tenant-authorization-bypass-in-certs-service
- https://hackmd.io/@hieuPenguinnn/magistrala-certs-missing-workspace-scope-cross-tenant
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.