{"items":[{"id":"NVI-00016258","kind":"vulnerability","title":"n8n: Cross-Tenant Credential Takeover via Dynamic Credentials EE Endpoints","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2j5h-858j-5mpf","CVE-2026-54305"],"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-57fade3a90ec42032b5625650bf2788c"],"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":"2026-07-20T13:44:52.000Z","value":"9.9 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-57fade3a90ec42032b5625650bf2788c"}],"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-57fade3a90ec42032b5625650bf2788c","url":"https://github.com/advisories/GHSA-2j5h-858j-5mpf","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2j5h-858j-5mpf","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:49:06.528Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-57fade3a90ec42032b5625650bf2788c"],"technology":"n8n","known_exclusions":[],"conditions_summary":"## Impact\nThree EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An authenticated user with no project membership or credential sharing relationship could enumerate credential identifiers, names, and types referenced by any private workflow in the instance, initiate an OAuth authorization flow against another user's credential to overwrite its stored tokens with tokens bound to an account they control, or revoke another user's stored credential tokens entirely.\n\nWorkflows relying on a hijacked credential would subsequently execute under the attacker's OAuth identity, enabling data exfiltration to attacker-controlled external services and persistent takeover of integrations. Token revocation would break affected workflows.\n\nThis issue only affects Enterprise instances where the Dynamic Credentials feature is enabled.\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, admin","public_affected_ranges":["< 1.123.55"]},{"certainty":"source_listed","source_ids":["sr-57fade3a90ec42032b5625650bf2788c"],"technology":"n8n","known_exclusions":[],"conditions_summary":"## Impact\nThree EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An authenticated user with no project membership or credential sharing relationship could enumerate credential identifiers, names, and types referenced by any private workflow in the instance, initiate an OAuth authorization flow against another user's credential to overwrite its stored tokens with tokens bound to an account they control, or revoke another user's stored credential tokens entirely.\n\nWorkflows relying on a hijacked credential would subsequently execute under the attacker's OAuth identity, enabling data exfiltration to attacker-controlled external services and persistent takeover of integrations. Token revocation would break affected workflows.\n\nThis issue only affects Enterprise instances where the Dynamic Credentials feature is enabled.\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, admin","public_affected_ranges":[">= 2.26.0, < 2.26.2"]},{"certainty":"source_listed","source_ids":["sr-57fade3a90ec42032b5625650bf2788c"],"technology":"n8n","known_exclusions":[],"conditions_summary":"## Impact\nThree EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An authenticated user with no project membership or credential sharing relationship could enumerate credential identifiers, names, and types referenced by any private workflow in the instance, initiate an OAuth authorization flow against another user's credential to overwrite its stored tokens with tokens bound to an account they control, or revoke another user's stored credential tokens entirely.\n\nWorkflows relying on a hijacked credential would subsequently execute under the attacker's OAuth identity, enabling data exfiltration to attacker-controlled external services and persistent takeover of integrations. Token revocation would break affected workflows.\n\nThis issue only affects Enterprise instances where the Dynamic Credentials feature is enabled.\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, admin","public_affected_ranges":[">= 2.0.0-rc.0, < 2.25.7"]}],"null_published_at":"2026-11-04T10:04:27.924Z","source_updated_at":"2026-07-20T13:44:52.000Z","source_disclosed_at":"2026-06-16T23:32:08.000Z","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":"2026-11-04T02:49:06.528Z"}],"next_cursor":null,"snapshot_revision":"42594"}