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CVE-2026-52804

Gogs: Privilege Escalation via Collaboration Access Mode Validation

MEDIUM
5.5
CVSS Score
Published: June 24, 2026 at 08:20 PM UTC
Updated: June 27, 2026 at 11:42 AM UTC
1 product affected across 1 vendorGogs

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Gogs· Gogs
60%
v < 0.14.3
Affected range stops below 0.14.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

x_refsource_CONFIRM
Source: cverecord
https://github.com/gogs/gogs/security/advisories/GHSA-4565-r4x7-hg8j
x_refsource_MISC
Source: cverecord
https://github.com/gogs/gogs/pull/8227
x_refsource_MISC
Source: cverecord
https://github.com/gogs/gogs/commit/1fdc9cc28e159135cfa4d6b11ecd5daa0f8ce22b
x_refsource_MISC
Source: cverecord
https://github.com/gogs/gogs/releases/tag/v0.14.3

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-193

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