What’s Vulnerable › Vulnerabilities

CVE-2026-109561: goose from 1.28.0 before 1.44.0 Manual Approval Bypass via Read-Only Tool Annotations

• Severity: medium (CVSS 4.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-26
• Weakness: CWE-863

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.

Affected products

• aaif-goose goose: from 1.28.0 before 1.44.0 — fixed in 1.44.0

How to fix

Upgrade to a fixed version: aaif-goose goose 1.44.0. Check the vendor advisory for mitigations.

References

• https://github.com/aaif-goose/goose
• https://github.com/aaif-goose/goose/blob/v1.43.0/crates/goose/src/permission/permission_inspector.rs#L159
• https://github.com/aaif-goose/goose/commit/b0f4e2a0f1a5507aa0a0fbe73d0b5c77a3e86845
• https://github.com/aaif-goose/goose/pull/10528
• https://github.com/aaif-goose/goose/releases/tag/v1.44.0
• https://www.vulncheck.com/advisories/goose-from-1.28.0-before-1.44.0-manual-approval-bypass-via-read-only-tool-annotations

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