CVE-2026-70406

Medium

Description

Gitea's shared comparison helper omits the token repository-access check used when updating pull requests. A public-only token with read:repository scope can route a comparison or pull request creation through a public base repository and retrieve commit history and diffs from a private head repository accessible to the token owner. This bypasses the token's public-only restriction; it does not remove the account's underlying repository permission checks.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Gitea

PublishedOct 14, 2026

First seenOct 14, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Patches

Vendor advisories

Affected products

Product	Affected versions	Fixed in
Gitea Gitea	v ≤ 1.27.2	—

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