What’s Vulnerable › Vulnerabilities

CVE-2026-52804: Gogs: Privilege Escalation via Collaboration Access Mode Validation

• Severity: medium (CVSS 5.5 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-24 · updated 2026-06-26
• Weakness: CWE-193

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 products

• gogs: before 0.14.3

References

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

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