CVE-2026-52804 json
Gogs: Privilege Escalation via Collaboration Access Mode Validation
published 4mo ago modified 8d ago also EUVD-2026-39072 , GHSA-4565-r4x7-hg8j , GO-2026-5110
- cvss
- 5.5
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- go gogs.io/gogs 0.14.3
- gogs gogs 0.14.3
- govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
opensuse advisories openSUSE-SU-2026:21483-1
- github.com/gogs/gogs@1fdc9cc commit
- github.com/gogs/gogs#8227 pull request
- github.com/gogs/gogs/releases/tag/v0.14.3 release
Is CVE-2026-52804 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 4mo ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.5 | 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 |
| CNA | 4.0 | 5.5 | 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | gogs.io/gogs | <0.14.3 all versions |
0.14.3 |
Affected products
- gogs gogs
Classification
- Weakness
-
- CWE-193 Off-by-one Error
References
-
github.com
/gogs/gogs/pull/8227
web
-
github.com
/gogs/gogs/commit/1fdc9cc28e159135cfa4d6b11ecd5daa0f8ce22b
web
-
github.com
/gogs/gogs/security/advisories/GHSA-4565-r4x7-hg8j
web, advisory
-
github.com
/gogs/gogs/releases/tag/v0.14.3
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-52804
advisory
-
github.com
/gogs/gogs
package
Sources
- CVE List CVE-2026-52804
- GitHub Advisory GHSA-4565-r4x7-hg8j
- NVD CVE-2026-52804
- OSV GO-2026-5110
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.