What’s Vulnerable › Vulnerabilities

CVE-2026-111684: Magistrala through 1.0.0 Cross-Tenant Authorization Bypass in Certs Service

• Severity: high (CVSS 8.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-16 · updated 2026-10-21
• Weakness: CWE-639

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.

Affected products

• absmach magistrala: through 1.0.0

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

Get alerted when CVE-2026-111684 or the next vulnerability affects your stack