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OpenAdvisories
Medium · 6.5 CVE-2026-125377 EUVD-2026-120540GHSA-9mr9-9xmv-5w3c

Pig before 4.1.2 Missing Authorization Exposes OAuth2 Client Secrets via /client

Published Nov 9, 2026 · Updated Nov 14, 2026 · Assigned by VulnCheck

Description

Pig before 4.1.2 contains a missing authorization vulnerability in SysClientController that allows authenticated users without client-management permission to retrieve OAuth2 client secrets via GET /client/{clientId} and GET /client/export. Attackers can fetch clientSecret values for seed clients like pig, app, and daemon or export the client table, then obtain tokens using those clients' configured grant types.

Affected products

VendorProductAffectedFixed
pig-mesh pig < 4.1.2 4.1.2

References