{"id":"CVE-2026-109561","aliases":["EUVD-2026-97884","GHSA-8h69-7j5q-pwfc"],"status":"published","title":"goose from 1.28.0 before 1.44.0 Manual Approval Bypass via Read-Only Tool Annotations","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.","severity":{"version":"4.0","score":2.3,"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","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00195,"percentile":0.09256,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-10-12T20:55:15Z","modified":"2026-10-28T02:30:30Z","products":[{"vendor":"aaif-goose","product":"goose"}],"references":[{"url":"https://github.com/aaif-goose/goose/pull/10528","tags":["issue-tracking","patch","fix"]},{"url":"https://github.com/aaif-goose/goose/commit/b0f4e2a0f1a5507aa0a0fbe73d0b5c77a3e86845","tags":["patch","fix"]},{"url":"https://github.com/aaif-goose/goose/blob/v1.43.0/crates/goose/src/permission/permission_inspector.rs#L159","tags":["technical-description","article"]},{"url":"https://github.com/aaif-goose/goose/releases/tag/v1.44.0","tags":["release-notes","advisory"]},{"url":"https://github.com/aaif-goose/goose","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/goose-from-1.28.0-before-1.44.0-manual-approval-bypass-via-read-only-tool-annotations","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109561","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8h69-7j5q-pwfc"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109561.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-109561","title":"goose from 1.28.0 before 1.44.0 Manual Approval Bypass via Read-Only Tool Annotations","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.","status":"published","published":"2026-10-12T20:55:15.574Z","modified":"2026-10-26T17:37:12.108Z","cvss":[{"version":"4.0","score":2.3,"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","level":"low","assessor":"cna"},{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:20:11.581788Z"}],"euvd":[{"id":"EUVD-2026-97884","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.","status":"published","published":"2026-10-12T20:55:15Z","modified":"2026-10-26T17:37:12Z","cvss":[{"version":"4.0","score":2.3,"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","level":"low"}],"updated_at":"2026-11-02T16:59:28.784227Z"}],"ghsa":[{"id":"GHSA-8h69-7j5q-pwfc","title":"goose from 1.28.0 before 1.44.0 contains an authorization bypass vulnerability that allows tools...","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.","status":"published","published":"2026-10-12T21:32:00Z","modified":"2026-10-12T21:32:07Z","cvss":[{"version":"4.0","score":2.3,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"},{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:13:08.654991Z"}],"nvd":[{"id":"CVE-2026-109561","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.","status":"published","published":"2026-10-12T21:17:12.403Z","modified":"2026-10-26T18:17:34.43Z","cvss":[{"version":"4.0","score":2.3,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:56.72789Z"}],"osv":[{"id":"CVE-2026-109561","title":"goose from 1.28.0 before 1.44.0 Manual Approval Bypass via Read-Only Tool Annotations","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.","status":"published","published":"2026-10-12T20:55:15.574Z","modified":"2026-10-28T02:30:30.817351383Z","cvss":[{"version":"4.0","score":2.3,"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","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:44:55.279797Z"}]}}