CVE-2026-125752 PUBLISHED

Meteroid before 2.2.0 Cross-Tenant Authorization Bypass via UpdateCouponStatus

Assigner: VulnCheck
Reserved: 10.11.2026 Published: 10.11.2026 Updated: 10.11.2026

Meteroid before 2.2.0 contains a cross-tenant authorization bypass vulnerability in the CouponsService UpdateCouponStatus gRPC handler, whose UPDATE query filters only on coupon id and ignores tenant ID. Authenticated users with catalog:manage or a tenant-scoped API key can supply another tenant's coupon ID to disable, archive, or re-enable that coupon and receive its details.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS Score: 2.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	Present	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS Score: 5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	meteroid-oss
Product	Meteroid
Versions	Default: unaffected affected from 0 to 2.2.0 (excl.)

CVE-2026-125752 PUBLISHED

Meteroid before 2.2.0 Cross-Tenant Authorization Bypass via UpdateCouponStatus

Metrics

Product Status

Credits

References

Problem Types