Gogs is an open source self-hosted Git service. Prior to 0.14.3, a repository admin collaborator can escalate their privileges to owner-level access by exploiting an off-by-one error in the ChangeCollaborationAccessMode function. This vulnerability is fixed in 0.14.3.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
gogs gogs affected
Version Status Constraints
< 0.14.3 affected —

No data.

No data.

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Vendors Products
Gogs Subscribe
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Project Subscriptions

Vendors Products
Gogs Subscribe
Gogs Subscribe
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-4565-r4x7-hg8j Gogs Vulnerable to Privilege Escalation via Collaboration Access Mode Validation
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/gogs/gogs/commit/1fdc9cc28e159135cfa4d6b11ecd5daa0f8ce22b cve-icon
https://github.com/gogs/gogs/pull/8227 cve-icon
https://github.com/gogs/gogs/releases/tag/v0.14.3 cve-icon
https://github.com/gogs/gogs/security/advisories/GHSA-4565-r4x7-hg8j cve-icon
History

Thu, 25 Jun 2026 06:00:00 +0000

Type Values Removed Values Added
First Time appeared Gogs
Gogs gogs
Vendors & Products Gogs
Gogs gogs

Wed, 24 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Description Gogs is an open source self-hosted Git service. Prior to 0.14.3, a repository admin collaborator can escalate their privileges to owner-level access by exploiting an off-by-one error in the ChangeCollaborationAccessMode function. This vulnerability is fixed in 0.14.3.
Title Gogs: Privilege Escalation via Collaboration Access Mode Validation
Weaknesses CWE-193
References
Metrics cvssV4_0

{'score': 5.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-24T20:20:26.848Z

Reserved: 2026-06-08T18:02:19.731Z

Link: CVE-2026-52804

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-25T05:45:02Z

Weaknesses