{"items":[{"id":"NVI-00017488","kind":"vulnerability","title":"n8n: Credential Exfiltration via Permission Bypass","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-pmqw-72cg-wx85","CVE-2026-54307"],"plain_summary":"GitHub lists this reviewed advisory for n8n, n8n, n8n. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-09b093cd07a9aef22bfca26708b70965"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-08T17:37:33.000Z","value":"9.6 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-09b093cd07a9aef22bfca26708b70965"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-09b093cd07a9aef22bfca26708b70965","url":"https://github.com/advisories/GHSA-pmqw-72cg-wx85","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-pmqw-72cg-wx85","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:34:51.634Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-09b093cd07a9aef22bfca26708b70965"],"technology":"n8n","known_exclusions":[],"conditions_summary":"## Impact\nA member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to cross-user credential access.\n\nThis issue affects instances where workflow sharing is enabled and at least one workflow has been shared with a member-level user as an Editor.\n\n## Patches\nThe issue has been fixed in n8n versions 1.123.55, 2.25.7, and 2.26.2. Users should upgrade to one of these versions or later to remediate the vulnerability.\n\n## Workarounds\nIf upgrading is not immediately possible, administrators should consider the following temporary mitigations:\n- Restrict workflow sharing to fully trusted users only.\n- Audit shared workflows for unexpected credential references or recent modifications.\n\nThese workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.\n\n---\nn8n has adopted CVSS 4.0 as primary score for all security advisories. CVSS 3.1 vector strings are provided for backwards compatibility.\n\nCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","public_affected_ranges":["< 1.123.55"]},{"certainty":"source_listed","source_ids":["sr-09b093cd07a9aef22bfca26708b70965"],"technology":"n8n","known_exclusions":[],"conditions_summary":"## Impact\nA member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to cross-user credential access.\n\nThis issue affects instances where workflow sharing is enabled and at least one workflow has been shared with a member-level user as an Editor.\n\n## Patches\nThe issue has been fixed in n8n versions 1.123.55, 2.25.7, and 2.26.2. Users should upgrade to one of these versions or later to remediate the vulnerability.\n\n## Workarounds\nIf upgrading is not immediately possible, administrators should consider the following temporary mitigations:\n- Restrict workflow sharing to fully trusted users only.\n- Audit shared workflows for unexpected credential references or recent modifications.\n\nThese workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.\n\n---\nn8n has adopted CVSS 4.0 as primary score for all security advisories. CVSS 3.1 vector strings are provided for backwards compatibility.\n\nCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","public_affected_ranges":[">= 2.26.0, < 2.26.2"]},{"certainty":"source_listed","source_ids":["sr-09b093cd07a9aef22bfca26708b70965"],"technology":"n8n","known_exclusions":[],"conditions_summary":"## Impact\nA member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to cross-user credential access.\n\nThis issue affects instances where workflow sharing is enabled and at least one workflow has been shared with a member-level user as an Editor.\n\n## Patches\nThe issue has been fixed in n8n versions 1.123.55, 2.25.7, and 2.26.2. Users should upgrade to one of these versions or later to remediate the vulnerability.\n\n## Workarounds\nIf upgrading is not immediately possible, administrators should consider the following temporary mitigations:\n- Restrict workflow sharing to fully trusted users only.\n- Audit shared workflows for unexpected credential references or recent modifications.\n\nThese workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.\n\n---\nn8n has adopted CVSS 4.0 as primary score for all security advisories. CVSS 3.1 vector strings are provided for backwards compatibility.\n\nCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","public_affected_ranges":[">= 2.0.0-rc.0, < 2.25.7"]}],"null_published_at":"2026-11-05T19:10:21.396Z","source_updated_at":"2026-07-08T17:37:33.000Z","source_disclosed_at":"2026-06-16T23:02:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-04T23:34:51.634Z"}],"next_cursor":null,"snapshot_revision":"42594"}