CVE-2026-101027: falha de alta gravidade em Gitea
Gitea migration SSRF through ALLOWED_DOMAINS address check bypass
Publicada em · Atualizada em
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.7epss 0.2%
probabilidade de exploração
0.2%top 95% das CVEs
exploração observada
nãonenhuma fonte reporta
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
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