CVE-2026-52801
Gogs has the ability to import local repositories via Mirror Settings
Summary
### Summary The Gogs Mirror Settings functionality provide an alternative way from the well protected New Migration functionality for any authenticated users to import local repositories. This issue stems from a lack of validation of SaveAddress function. ### Details Here is the function implementation of the secure New Migration functionality. Here is the function implementation of the Mirror Settings without any validation. ### PoC The New Migration feature correctly blocked my attempt to import a local repository. But if I create a normal migration with a valid repository. Then, I could use the Mirror Settings feature under the Repository Settings sync a local repository. Here is the result after the sync. ### Impact Users can import local repositories from the server's filesystem, which allows accessing any repository the git user has access to. There is also a potential issue of blind SSRF.
Affected packages
| Ecosystem | Package | Affected versions | Fixed versions |
|---|---|---|---|
| Go | gogs.io/gogs | — | 0.14.3 |
Remediation: Upgrade to 0.14.3 or later.
References
Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.
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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.