When `[migrations] ALLOWED_DOMAINS` was configured, a hostname matching the allow list was accepted without checking its resolved address against the local-network restrictions. A user who can start repository migrations and control the DNS of an allowed hostname could make it resolve to loopback or private addresses and bypass `ALLOW_LOCALNETWORKS = false`, reaching internal services from the Gitea server. Instances without `ALLOWED_DOMAINS` configured are not affected by this specific bypass.
Metrics
Affected Vendors & Products
References
History
Thu, 15 Oct 2026 02:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:* |
Wed, 07 Oct 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-346 CWE-918 |
Wed, 07 Oct 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-918 |
Wed, 07 Oct 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Wed, 07 Oct 2026 00:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Gitea
Gitea gitea |
|
| Vendors & Products |
Gitea
Gitea gitea |
Tue, 06 Oct 2026 22:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-918 |
Tue, 06 Oct 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | When `[migrations] ALLOWED_DOMAINS` was configured, a hostname matching the allow list was accepted without checking its resolved address against the local-network restrictions. A user who can start repository migrations and control the DNS of an allowed hostname could make it resolve to loopback or private addresses and bypass `ALLOW_LOCALNETWORKS = false`, reaching internal services from the Gitea server. Instances without `ALLOWED_DOMAINS` configured are not affected by this specific bypass. | |
| Title | Gitea migration SSRF through ALLOWED_DOMAINS address check bypass | |
| References |
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Status: PUBLISHED
Assigner: Gitea
Published: 2026-10-06T19:23:20.387Z
Updated: 2026-10-07T15:54:52.293Z
Reserved: 2026-10-04T21:57:35.568Z
Link: CVE-2026-101027
Updated: 2026-10-07T11:37:34.067Z
Status : Analyzed
Published: 2026-10-06T20:17:08.233
Modified: 2026-10-15T02:32:39.673
Link: CVE-2026-101027
No data.