GoCD is vulnerable to authorization bypass via material connection test APIs

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-55625
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-21 15:17:29 UTC
Updated2026-09-21 15:17:29 UTC
DescriptionGoCD is a continuous deliver server. From 16.1.0 until 26.1.0, the internal material connection test APIs at /go/api/admin/internal/material_test and /go/api/internal/config_repos/*/material_test accept an arbitrary existing pipeline and pipeline-group context without sufficient validation. A pipeline group administrator can invoke Test Connection for source control materials outside the administrator's authorized pipeline group or configuration repository and potentially use credentials from those materials. For GoCD 20.6.0 and later, the test context can also resolve external secrets managed by secret-management plugins, including global reusable secrets with separate permissions. This issue is fixed in version 26.1.0.

Risk And Classification

Primary CVSS: v3.1 4.9 MEDIUM from [email protected]

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

EPSS: 0.002640000 probability, percentile 0.185700000 (date 2026-09-22)

Problem Types: CWE-639 | CWE-863 | CWE-639 CWE-639: Authorization Bypass Through User-Controlled Key | CWE-863 CWE-863: Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED4.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Gocd Gocd affected >= 16.1.0, < 26.1.0 Not specified

References

ReferenceSourceLinkTags
www.gocd.org/releases [email protected] www.gocd.org
github.com/gocd/gocd/security/advisories/GHSA-4557-94j8-5p66 [email protected] github.com
github.com/gocd/gocd/releases/tag/26.1.0 [email protected] github.com
github.com/gocd/gocd/commit/f0dda0fb8af4cff5e2f4bf52b753fb41a7ec8918 [email protected] github.com
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