CVE-2026-52805 json
Gogs: Migration Redirect Bypass Leads to Internal Repository Theft
published 4mo ago modified 8d ago also EUVD-2026-39074 , GHSA-g2f5-gjr4-qjvm , GO-2026-5387
- cvss
- 8.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 32%
- public exploits
- 0
- none known
Summary
Gogs is an open source self-hosted Git service. Prior to 0.14.3, a Server-Side Request Forgery (SSRF) vulnerability exists in the repository migration functionality. The application validates only the initially submitted URL hostname, but git clone --mirror follows HTTP redirects. An authenticated user can submit a public URL that redirects to a blocked internal endpoint (e.g., 127.0.0.1), importing the internal repository's contents into an attacker-controlled repository. 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@b9a0093 commit
- github.com/gogs/gogs#8324 pull request
- github.com/gogs/gogs/releases/tag/v0.14.3 release
Is CVE-2026-52805 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
0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/gogs/gogs/security/advisories/GHSA-g2f5-gjr4-qjvm referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N |
| GitHub | 3.1 | 8.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N |
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-918 Server-Side Request Forgery
References
-
github.com
/gogs/gogs/pull/8324
web
-
github.com
/gogs/gogs/commit/b9a0093e9cd1b2b3c7f42f9feca396dc772c4f1b
web
-
github.com
/gogs/gogs/security/advisories/GHSA-g2f5-gjr4-qjvm
exploit, web, advisory
-
github.com
/gogs/gogs/releases/tag/v0.14.3
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-52805
advisory
-
github.com
/gogs/gogs
package
Sources
- CVE List CVE-2026-52805
- GitHub Advisory GHSA-g2f5-gjr4-qjvm
- NVD CVE-2026-52805
- OSV GO-2026-5387
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.