HIGH

CVE-2026-70357

Gitea repository migration SSRF through DNS rebinding

CVSS v3

7.5

HIGH

EPSS Score

—

exploit probability

CISA KEV

known exploited

Exploitation

—

SSVC status

Description

Gitea validates a repository migration hostname against its network allow and block lists before invoking Git, but the Git subprocess independently resolves the hostname when connecting. An attacker who can start a migration and control the destination's DNS can change the address between validation and connection to reach a blocked internal address. The affected path is the Git clone operation; validation in the migration HTTP client's dialer does not protect the independently connecting Git su

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published: 2026-10-06
Last Modified: 2026-10-07

Frequently asked questions

What is CVE-2026-70357?

Is CVE-2026-70357 actively exploited?

Active exploitation of CVE-2026-70357 has not been confirmed.

What is the CVSS score for CVE-2026-70357?

CVE-2026-70357 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

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