{"id":"CVE-2026-86544","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-86544","summary":"knowns versions before 0.30.0 contain an authorization bypass vulnerability where mutating code actions are incorrectly classified as read-only operations. Attackers with read-restricted…","details":"knowns versions before 0.30.0 contain an authorization bypass vulnerability where mutating code actions are incorrectly classified as read-only operations. Attackers with read-restricted sessions can exploit code.replace to modify permission configurations and escalate privileges on subsequent calls.","published":"2026-09-07T23:16:54.303","modified":"2026-09-07T23:16:54.303","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/knowns-dev/knowns/commit/a2c98fc5c313463576c9348beeec6a74ddd7333b","label":"knowns-dev/knowns@a2c98fc"},"references":[{"type":"WEB","url":"https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/permissions/guard.go#L44-L60"},{"type":"WEB","url":"https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/permissions/registry.go#L99-L140"},{"type":"WEB","url":"https://github.com/knowns-dev/knowns/commit/a2c98fc5c313463576c9348beeec6a74ddd7333b"},{"type":"WEB","url":"https://github.com/knowns-dev/knowns/releases/tag/v0.30.0"},{"type":"WEB","url":"https://github.com/knowns-dev/knowns/security/advisories/GHSA-w323-3wpx-f7g5"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/knowns-before-0.30.0-authorization-bypass-via-misclassified-code-actions"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-07T23:16:54.303"}}