Medium severity · published Jun 24, 2026
CVE-2026-52804
Gogs: Privilege Escalation via Collaboration Access Mode Validation
5.5
CVSS
0.5%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GO
gogs · gogs
< 0.14.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-52804
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-52804
github.com
https://github.com/gogs/gogs/commit/1fdc9cc28e159135cfa4d6b11ecd5daa0f8ce22b
github.com
https://github.com/gogs/gogs/pull/8227
github.com
https://github.com/gogs/gogs/releases/tag/v0.14.3
github.com
https://github.com/gogs/gogs/security/advisories/GHSA-4565-r4x7-hg8j
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