CVE Vulnerabilities

CVE-2026-101027

Origin Validation Error

Published: Oct 06, 2026 | Modified: Oct 15, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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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.

Weakness

The product does not properly verify that the source of data or communication is valid.

Affected Software

NameVendorStart VersionEnd Version
GiteaGitea*28.0.0 (excluding)

References