CVE-2026-125377

MEDIUM 6.5

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

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	pig-mesh
Product	pig
Published	Nov 9, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

pig-mesh / pig

0 < 4.1.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/pig-mesh/pig/issues/1298 github.com: https://github.com/pig-mesh/pig github.com: https://github.com/pig-mesh/pig/blob/a0d273afd3adc6678b065c0f2d25433541343ad7/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/controller/SysClientController.java#L69-L82 github.com: https://github.com/pig-mesh/pig/commit/0fffbf14d393f30a0272a3cdf0a54efd45e0d9e3 github.com: https://github.com/pig-mesh/pig/releases/tag/v4.1.2 vulncheck.com: https://www.vulncheck.com/advisories/pig-before-4.1.2-missing-authorization-exposes-oauth2-client-secrets-via-client

Credits

hieuPenguinnn