CVE-2026-109561

Medium

Description

goose from 1.28.0 before 1.44.0 contains an authorization bypass vulnerability that allows tools to run without user approval in Manual Approval mode because persisted read-only annotations are never cleared by update_goose_mode. After a session uses Smart Approval mode, prompt-injected calls to tools annotated readOnlyHint: true execute without prompting, bypassing the user's selected approval mode in PermissionInspector::inspect.

SeverityMedium

CVSS4.2

Exploit probability—

ProductGoose

PublishedOct 12, 2026

First seenOct 12, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

aaif-goose goose1.44.0 or later

Patches

Vendor advisories

github.com/aaif-goose/goose/releases/tag/v1.44.0

Affected products

Product	Affected versions	Fixed in
aaif-goose goose	1.28.0 ≤ v < 1.44.0	1.44.0

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