{"items":[{"id":"NVI-00013223","kind":"vulnerability","title":"Tinyauth: Unauthenticated login attempts can trigger global login lockdown denial of service","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9xhm-w3wj-xhqh","CVE-2026-77561"],"plain_summary":"GitHub lists this reviewed advisory for github.com/steveiliop56/tinyauth. 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-015126b312ab6bba94adecda424d5154"],"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":"2026-09-22T20:37:12.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-98c2bfc29b4f8bccc5bd54dbbd6d4693"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.600%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.48821. Missing scores are unknown.","source_id":"sr-015126b312ab6bba94adecda424d5154"}],"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-98c2bfc29b4f8bccc5bd54dbbd6d4693","url":"https://github.com/advisories/GHSA-9xhm-w3wj-xhqh","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9xhm-w3wj-xhqh","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:25:10.521Z"},{"id":"sr-015126b312ab6bba94adecda424d5154","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-77561","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.068Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-98c2bfc29b4f8bccc5bd54dbbd6d4693"],"technology":"github.com/steveiliop56/tinyauth","known_exclusions":[],"conditions_summary":"### Summary\n\nTinyauth's login rate-limit bookkeeping can enter a global lockdown mode when its in-memory login-attempt map reaches 256 distinct identifiers. Because unauthenticated `POST /api/user/login` requests for unknown usernames are recorded in this same map, a remote unauthenticated attacker can submit 257 unique bogus usernames and cause valid credentials for unrelated users to be treated as locked until `auth.loginTimeout` expires.\n\nThis was confirmed against the stable `v5.0.7` release. With default configuration, `auth.loginTimeout` is 300 seconds and `auth.loginMaxRetries` is 3, so the denial lasts about 5 minutes and can be repeated.\n\n### Details\n\nIn stable `v5.0.7`, the login endpoint is registered at `internal/controller/user_controller.go:45` and accepts unauthenticated JSON credentials in `loginHandler` at `internal/controller/user_controller.go:50`. Before validating credentials, it calls `controller.auth.IsAccountLocked(req.Username)` at `internal/controller/user_controller.go:65`.\n\nWhen a username does not exist, the login handler records a failed login attempt for the attacker-controlled username with `controller.auth.RecordLoginAttempt(req.Username, false)` at","public_affected_ranges":["< 1.0.1-0.20260715123057-dade1e2c8f27"]}],"null_published_at":"2026-11-06T07:24:11.222Z","source_updated_at":"2026-09-22T20:37:12.000Z","source_disclosed_at":"2026-09-22T20:37:11.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T07:25:10.521Z"},{"id":"NVI-00013223","kind":"vulnerability","title":"Tinyauth: Unauthenticated login attempts can trigger global login lockdown denial of service","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9xhm-w3wj-xhqh","CVE-2026-77561"],"plain_summary":"GitHub lists this reviewed advisory for github.com/steveiliop56/tinyauth. 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-0f19dd91f5565e4a0586db9d82f5b1e1"],"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":"2026-09-22T20:37:12.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-98c2bfc29b4f8bccc5bd54dbbd6d4693"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.600%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.48748. Missing scores are unknown.","source_id":"sr-0f19dd91f5565e4a0586db9d82f5b1e1"}],"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-98c2bfc29b4f8bccc5bd54dbbd6d4693","url":"https://github.com/advisories/GHSA-9xhm-w3wj-xhqh","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9xhm-w3wj-xhqh","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:25:10.521Z"},{"id":"sr-0f19dd91f5565e4a0586db9d82f5b1e1","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-77561","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.081Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-98c2bfc29b4f8bccc5bd54dbbd6d4693"],"technology":"github.com/steveiliop56/tinyauth","known_exclusions":[],"conditions_summary":"### Summary\n\nTinyauth's login rate-limit bookkeeping can enter a global lockdown mode when its in-memory login-attempt map reaches 256 distinct identifiers. Because unauthenticated `POST /api/user/login` requests for unknown usernames are recorded in this same map, a remote unauthenticated attacker can submit 257 unique bogus usernames and cause valid credentials for unrelated users to be treated as locked until `auth.loginTimeout` expires.\n\nThis was confirmed against the stable `v5.0.7` release. With default configuration, `auth.loginTimeout` is 300 seconds and `auth.loginMaxRetries` is 3, so the denial lasts about 5 minutes and can be repeated.\n\n### Details\n\nIn stable `v5.0.7`, the login endpoint is registered at `internal/controller/user_controller.go:45` and accepts unauthenticated JSON credentials in `loginHandler` at `internal/controller/user_controller.go:50`. Before validating credentials, it calls `controller.auth.IsAccountLocked(req.Username)` at `internal/controller/user_controller.go:65`.\n\nWhen a username does not exist, the login handler records a failed login attempt for the attacker-controlled username with `controller.auth.RecordLoginAttempt(req.Username, false)` at","public_affected_ranges":["< 1.0.1-0.20260715123057-dade1e2c8f27"]}],"null_published_at":"2026-11-06T00:29:57.273Z","source_updated_at":"2026-09-22T20:37:12.000Z","source_disclosed_at":"2026-09-22T20:37:11.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T07:25:10.521Z"},{"id":"NVI-00013223","kind":"vulnerability","title":"Tinyauth: Unauthenticated login attempts can trigger global login lockdown denial of service","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9xhm-w3wj-xhqh","CVE-2026-77561"],"plain_summary":"GitHub lists this reviewed advisory for github.com/steveiliop56/tinyauth. 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-98c2bfc29b4f8bccc5bd54dbbd6d4693"],"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":"2026-09-22T20:37:12.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-98c2bfc29b4f8bccc5bd54dbbd6d4693"}],"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-98c2bfc29b4f8bccc5bd54dbbd6d4693","url":"https://github.com/advisories/GHSA-9xhm-w3wj-xhqh","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9xhm-w3wj-xhqh","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:25:10.521Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-98c2bfc29b4f8bccc5bd54dbbd6d4693"],"technology":"github.com/steveiliop56/tinyauth","known_exclusions":[],"conditions_summary":"### Summary\n\nTinyauth's login rate-limit bookkeeping can enter a global lockdown mode when its in-memory login-attempt map reaches 256 distinct identifiers. Because unauthenticated `POST /api/user/login` requests for unknown usernames are recorded in this same map, a remote unauthenticated attacker can submit 257 unique bogus usernames and cause valid credentials for unrelated users to be treated as locked until `auth.loginTimeout` expires.\n\nThis was confirmed against the stable `v5.0.7` release. With default configuration, `auth.loginTimeout` is 300 seconds and `auth.loginMaxRetries` is 3, so the denial lasts about 5 minutes and can be repeated.\n\n### Details\n\nIn stable `v5.0.7`, the login endpoint is registered at `internal/controller/user_controller.go:45` and accepts unauthenticated JSON credentials in `loginHandler` at `internal/controller/user_controller.go:50`. Before validating credentials, it calls `controller.auth.IsAccountLocked(req.Username)` at `internal/controller/user_controller.go:65`.\n\nWhen a username does not exist, the login handler records a failed login attempt for the attacker-controlled username with `controller.auth.RecordLoginAttempt(req.Username, false)` at","public_affected_ranges":["< 1.0.1-0.20260715123057-dade1e2c8f27"]}],"null_published_at":"2026-11-01T07:29:12.930Z","source_updated_at":"2026-09-22T20:37:12.000Z","source_disclosed_at":"2026-09-22T20:37:11.000Z","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":"2026-11-01T07:25:10.521Z"}],"next_cursor":null,"snapshot_revision":"42594"}