{"items":[{"id":"NVI-00006740","kind":"vulnerability","title":"PocketMine-MP: JSON decoding of unlimited size large arrays/objects in ModalFormResponse Handling","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-788v-5pfp-93ff","CVE-2026-86204"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. 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 5.39.2 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-c11dab7bc0a356246ab239cf31e9b511"],"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-351cbef2c7f49a60d753bbef762b60b3"],"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":"2026-10-08T16:17:56.700Z","value":"6.5 MEDIUM (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-7fef3886e42f446c6f9ac958173fa30c"},{"kind":"CVSS","as_of":"2026-10-08T16:17:56.700Z","value":"7.1 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-7fef3886e42f446c6f9ac958173fa30c"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.436%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.37856. Missing scores are unknown.","source_id":"sr-351cbef2c7f49a60d753bbef762b60b3"}],"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-c11dab7bc0a356246ab239cf31e9b511","url":"https://github.com/advisories/GHSA-788v-5pfp-93ff","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-788v-5pfp-93ff","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.946Z"},{"id":"sr-7fef3886e42f446c6f9ac958173fa30c","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86204","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-86204","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:25:08.112Z"},{"id":"sr-351cbef2c7f49a60d753bbef762b60b3","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-2026-86204","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.288Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c11dab7bc0a356246ab239cf31e9b511"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\n\nThe server does not meaningfully limit the size of the JSON payload in `ModalFormResponsePacket`. This can be abused by an attacker to waste memory and CPU on an affected server, e.g. by sending arrays with millions of elements.\n\nThe player must have a full session on the server (i.e. spawned in the world) to exploit this, as form responses are not handled unless the player is in game.\n\n### Patches\nThe issue was fixed in two parts:\n- cef1088341e40ee7a6fa079bca47a84f3524d877 limits the size of a single form response to 10 KB, which is well above expected size, but low enough to prevent abuse\n- f983f4f66d5e72d7a07109c8175799ab0ee771d5 avoids decoding the form response if there is no form associated with the given ID\n\n### Workarounds\nThis issue can be worked around in a plugin using `DataPacketReceiveEvent` by:\n- checking the max size of the `formData` field\n- making sure the form ID is not repeated\n\nHowever, a full workaround for the issue would require reflection to access the `Player->forms` property, which is not exposed via any accessible API prior to 5.39.2.\n\n### PoC\n\n1. Join a PocketMine-MP server as a regular player (no special permissions needed).\n2. Use a modifie","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.39.2"]}],"null_published_at":"2026-11-07T18:43:15.098Z","source_updated_at":"2026-09-10T03:56:07.977Z","source_disclosed_at":"2026-04-06T22:54:07.000Z","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":"2026-10-31T21:41:59.946Z"},{"id":"NVI-00006740","kind":"vulnerability","title":"PocketMine-MP: JSON decoding of unlimited size large arrays/objects in ModalFormResponse Handling","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-788v-5pfp-93ff","CVE-2026-86204"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. 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 5.39.2 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-c11dab7bc0a356246ab239cf31e9b511"],"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-1593b7d9a42b386753c6d1b139bd0f84"],"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":"2026-10-08T16:17:56.700Z","value":"6.5 MEDIUM (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-7fef3886e42f446c6f9ac958173fa30c"},{"kind":"CVSS","as_of":"2026-10-08T16:17:56.700Z","value":"7.1 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-7fef3886e42f446c6f9ac958173fa30c"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.436%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.37863. Missing scores are unknown.","source_id":"sr-1593b7d9a42b386753c6d1b139bd0f84"}],"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-c11dab7bc0a356246ab239cf31e9b511","url":"https://github.com/advisories/GHSA-788v-5pfp-93ff","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-788v-5pfp-93ff","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.946Z"},{"id":"sr-7fef3886e42f446c6f9ac958173fa30c","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86204","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-86204","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:25:08.112Z"},{"id":"sr-1593b7d9a42b386753c6d1b139bd0f84","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-2026-86204","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.385Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c11dab7bc0a356246ab239cf31e9b511"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\n\nThe server does not meaningfully limit the size of the JSON payload in `ModalFormResponsePacket`. This can be abused by an attacker to waste memory and CPU on an affected server, e.g. by sending arrays with millions of elements.\n\nThe player must have a full session on the server (i.e. spawned in the world) to exploit this, as form responses are not handled unless the player is in game.\n\n### Patches\nThe issue was fixed in two parts:\n- cef1088341e40ee7a6fa079bca47a84f3524d877 limits the size of a single form response to 10 KB, which is well above expected size, but low enough to prevent abuse\n- f983f4f66d5e72d7a07109c8175799ab0ee771d5 avoids decoding the form response if there is no form associated with the given ID\n\n### Workarounds\nThis issue can be worked around in a plugin using `DataPacketReceiveEvent` by:\n- checking the max size of the `formData` field\n- making sure the form ID is not repeated\n\nHowever, a full workaround for the issue would require reflection to access the `Player->forms` property, which is not exposed via any accessible API prior to 5.39.2.\n\n### PoC\n\n1. Join a PocketMine-MP server as a regular player (no special permissions needed).\n2. Use a modifie","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.39.2"]}],"null_published_at":"2026-11-03T17:49:21.350Z","source_updated_at":"2026-09-10T03:56:07.977Z","source_disclosed_at":"2026-04-06T22:54:07.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:59.946Z"},{"id":"NVI-00006740","kind":"vulnerability","title":"PocketMine-MP: JSON decoding of unlimited size large arrays/objects in ModalFormResponse Handling","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-788v-5pfp-93ff","CVE-2026-86204"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. 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 5.39.2 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-c11dab7bc0a356246ab239cf31e9b511"],"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-1593b7d9a42b386753c6d1b139bd0f84"],"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":"0.436%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.37863. Missing scores are unknown.","source_id":"sr-1593b7d9a42b386753c6d1b139bd0f84"}],"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-c11dab7bc0a356246ab239cf31e9b511","url":"https://github.com/advisories/GHSA-788v-5pfp-93ff","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-788v-5pfp-93ff","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.946Z"},{"id":"sr-1593b7d9a42b386753c6d1b139bd0f84","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-2026-86204","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.385Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c11dab7bc0a356246ab239cf31e9b511"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\n\nThe server does not meaningfully limit the size of the JSON payload in `ModalFormResponsePacket`. This can be abused by an attacker to waste memory and CPU on an affected server, e.g. by sending arrays with millions of elements.\n\nThe player must have a full session on the server (i.e. spawned in the world) to exploit this, as form responses are not handled unless the player is in game.\n\n### Patches\nThe issue was fixed in two parts:\n- cef1088341e40ee7a6fa079bca47a84f3524d877 limits the size of a single form response to 10 KB, which is well above expected size, but low enough to prevent abuse\n- f983f4f66d5e72d7a07109c8175799ab0ee771d5 avoids decoding the form response if there is no form associated with the given ID\n\n### Workarounds\nThis issue can be worked around in a plugin using `DataPacketReceiveEvent` by:\n- checking the max size of the `formData` field\n- making sure the form ID is not repeated\n\nHowever, a full workaround for the issue would require reflection to access the `Player->forms` property, which is not exposed via any accessible API prior to 5.39.2.\n\n### PoC\n\n1. Join a PocketMine-MP server as a regular player (no special permissions needed).\n2. Use a modifie","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.39.2"]}],"null_published_at":"2026-10-31T22:27:06.722Z","source_updated_at":"2026-09-10T03:56:07.977Z","source_disclosed_at":"2026-04-06T22:54:07.000Z","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":"2026-10-31T21:41:59.946Z"},{"id":"NVI-00006740","kind":"vulnerability","title":"PocketMine-MP: JSON decoding of unlimited size large arrays/objects in ModalFormResponse Handling","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-788v-5pfp-93ff","CVE-2026-86204"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. 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 5.39.2 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-c11dab7bc0a356246ab239cf31e9b511"],"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-c11dab7bc0a356246ab239cf31e9b511","url":"https://github.com/advisories/GHSA-788v-5pfp-93ff","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-788v-5pfp-93ff","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.946Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c11dab7bc0a356246ab239cf31e9b511"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\n\nThe server does not meaningfully limit the size of the JSON payload in `ModalFormResponsePacket`. This can be abused by an attacker to waste memory and CPU on an affected server, e.g. by sending arrays with millions of elements.\n\nThe player must have a full session on the server (i.e. spawned in the world) to exploit this, as form responses are not handled unless the player is in game.\n\n### Patches\nThe issue was fixed in two parts:\n- cef1088341e40ee7a6fa079bca47a84f3524d877 limits the size of a single form response to 10 KB, which is well above expected size, but low enough to prevent abuse\n- f983f4f66d5e72d7a07109c8175799ab0ee771d5 avoids decoding the form response if there is no form associated with the given ID\n\n### Workarounds\nThis issue can be worked around in a plugin using `DataPacketReceiveEvent` by:\n- checking the max size of the `formData` field\n- making sure the form ID is not repeated\n\nHowever, a full workaround for the issue would require reflection to access the `Player->forms` property, which is not exposed via any accessible API prior to 5.39.2.\n\n### PoC\n\n1. Join a PocketMine-MP server as a regular player (no special permissions needed).\n2. Use a modifie","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.39.2"]}],"null_published_at":"2026-10-31T22:13:10.071Z","source_updated_at":"2026-09-10T03:56:07.977Z","source_disclosed_at":"2026-04-06T22:54:07.000Z","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":"2026-10-31T21:41:59.946Z"}],"next_cursor":null,"snapshot_revision":"42594"}