{"items":[{"id":"NVI-00007583","kind":"vulnerability","title":"TSPortal's Uncontrolled User Creation via Validation Side Effects Leads to Potential Denial of Service","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-f346-8rp3-4h9h","CVE-2026-33541"],"plain_summary":"OSV carries this publisher advisory for miraheze/ts-portal. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 34 for miraheze/ts-portal. Confirm the publisher’s latest guidance.","source_ids":["sr-e1640719d1940774d04b8b80e87800a9"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-aefbd2d68b7df56015cd033cd0085754"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.304%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.23213. Missing scores are unknown.","source_id":"sr-aefbd2d68b7df56015cd033cd0085754"}],"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-e1640719d1940774d04b8b80e87800a9","url":"https://github.com/advisories/GHSA-f346-8rp3-4h9h","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-f346-8rp3-4h9h","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.707Z"},{"id":"sr-aefbd2d68b7df56015cd033cd0085754","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-2026-33541","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.377Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-e1640719d1940774d04b8b80e87800a9"],"technology":"miraheze/ts-portal","known_exclusions":[],"conditions_summary":"### Summary\nA flaw in TSPortal allowed attackers to create arbitrary user records in the database by abusing validation logic. While validation correctly rejected invalid usernames, a side effect within a validation rule caused user records to be created regardless of whether the request succeeded. This could be exploited to cause uncontrolled database growth, leading to a potential denial of service (DoS).\n\n### Details\nWhen submitting a Data Processing Agreement (DPA) request in TSPortal, the `DPAAlreadyLive` validation rule previously called `User::findOrCreate()`.\n\nThis method created a user record if one did not already exist.\n\nAlthough username validation (via `MirahezeUsernameRule`) correctly rejected invalid usernames, the `DPAAlreadyLive` rule was still executed during validation. Because it performed a state-changing operation, it created user records even when the overall validation failed and no DPA was created.\n\nAs a result:\n- Validation correctly rejected invalid input\n- However, user records were still inserted into the database as a side effect\n\nThese records were created:\n- Without a successful DPA request\n- Without audit logging tied to a completed action\n- Without","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 34"]}],"null_published_at":"2026-11-05T03:52:54.769Z","source_updated_at":"2026-03-27T16:12:05.202Z","source_disclosed_at":"2026-03-27T15:42:20.000Z","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":"2026-10-31T21:42:10.707Z"},{"id":"NVI-00007583","kind":"vulnerability","title":"TSPortal's Uncontrolled User Creation via Validation Side Effects Leads to Potential Denial of Service","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-f346-8rp3-4h9h","CVE-2026-33541"],"plain_summary":"OSV carries this publisher advisory for miraheze/ts-portal. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 34 for miraheze/ts-portal. Confirm the publisher’s latest guidance.","source_ids":["sr-e1640719d1940774d04b8b80e87800a9"],"action_type":"vendor_patch","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":[],"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-e1640719d1940774d04b8b80e87800a9","url":"https://github.com/advisories/GHSA-f346-8rp3-4h9h","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-f346-8rp3-4h9h","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.707Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-e1640719d1940774d04b8b80e87800a9"],"technology":"miraheze/ts-portal","known_exclusions":[],"conditions_summary":"### Summary\nA flaw in TSPortal allowed attackers to create arbitrary user records in the database by abusing validation logic. While validation correctly rejected invalid usernames, a side effect within a validation rule caused user records to be created regardless of whether the request succeeded. This could be exploited to cause uncontrolled database growth, leading to a potential denial of service (DoS).\n\n### Details\nWhen submitting a Data Processing Agreement (DPA) request in TSPortal, the `DPAAlreadyLive` validation rule previously called `User::findOrCreate()`.\n\nThis method created a user record if one did not already exist.\n\nAlthough username validation (via `MirahezeUsernameRule`) correctly rejected invalid usernames, the `DPAAlreadyLive` rule was still executed during validation. Because it performed a state-changing operation, it created user records even when the overall validation failed and no DPA was created.\n\nAs a result:\n- Validation correctly rejected invalid input\n- However, user records were still inserted into the database as a side effect\n\nThese records were created:\n- Without a successful DPA request\n- Without audit logging tied to a completed action\n- Without","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 34"]}],"null_published_at":"2026-10-31T22:13:18.626Z","source_updated_at":"2026-03-27T16:12:05.202Z","source_disclosed_at":"2026-03-27T15:42:20.000Z","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":"2026-10-31T21:42:10.707Z"}],"next_cursor":null,"snapshot_revision":"42594"}