Gitea prior to 1.27.0 SSRF via Migration URI Fetch Bypass
Gitea prior to 1.27.0 contains a server-side request forgery vulnerability that allows authenticated attackers to bypass SSRF protections by exploiting HTTP fetch operations in migration and OAuth avatar code paths that use Go's default http.Get without a custom DialContext. Attackers can supply arbitrary URLs through release asset download URLs, pull-request patch URLs, or OAuth avatar endpoints to reach internal services, cloud instance-metadata endpoints, or read local files such as the application configuration containing database credentials and signing secrets, with exfiltrated content persisted as migration release assets for later retrieval.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-59765US | — | — | ||
SSRF via Migration Asset Downloads Bypasses hostmatcher — Reads Internal Files and Cloud Metadata | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34966.jsonADVISORY
- https://github.com/go-gitea/giteaPACKAGE
- https://github.com/go-gitea/gitea/commit/b969123b7fac51c88daab5cb64e5b2f4abd53288FIX
- https://github.com/go-gitea/gitea/security/advisories/GHSA-2wm4-vwp6-v7xcADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-34966ADVISORY
- https://www.vulncheck.com/advisories/gitea-prior-to-ssrf-via-migration-uri-fetch-bypassADVISORY
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