{"items":[{"id":"NVI-00007818","kind":"vulnerability","title":"Craft CMS: Authorship spoofing in `entries/save-entry` via pre-check/post-mutation authorization gap","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qq2c-2q8j-jh27","CVE-2026-50279"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms. 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 5.9.21 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-e9ac663c9355950f8372b329b9378b73"],"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-cae144d3b2b4f2f4a3248a1cb363ea03"],"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":"0.364%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.30295. Missing scores are unknown.","source_id":"sr-cae144d3b2b4f2f4a3248a1cb363ea03"}],"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-e9ac663c9355950f8372b329b9378b73","url":"https://github.com/advisories/GHSA-qq2c-2q8j-jh27","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-qq2c-2q8j-jh27","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.351Z"},{"id":"sr-cae144d3b2b4f2f4a3248a1cb363ea03","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-2026-50279","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.382Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-e9ac663c9355950f8372b329b9378b73"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\n\n`EntriesController::actionSaveEntry()` performs entry-edit permission checks before request-controlled author changes are applied to the model. The subsequent author mutation path accepts attacker-supplied `authors` / `author` parameters and allows the change when the current user is one of the old authors. Because the controller does not re-run authorization after mutating the author list, a low-privileged user can reassign an entry’s authorship to another user without holding the dedicated peer-author-change permission.\n\n### Details\nThe control flow begins in EntriesController.php:249. `actionSaveEntry()` loads the entry and enforces edit permissions before calling `_populateEntryModel()`:\n\n```php\npublic function actionSaveEntry(bool $duplicate = false): ?Response\n{\n    ...\n    $entry = $this->_editableEntry($this->request->getBodyParam('entryId'), $siteId);\n    ...\n    $this->enforceEditEntryPermissions($entry, $duplicate);\n    ...\n    $this->_populateEntryModel($entry);\n    ...\n    $success = Craft::$app->getElements()->saveElement($entry);\n}\n```\n\nThe attacker-controlled source is in ","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.9.21"]}],"null_published_at":"2026-11-06T21:03:48.032Z","source_updated_at":"2026-09-10T03:50:52.940Z","source_disclosed_at":"2026-07-02T18:45:28.000Z","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":"2026-10-31T21:42:41.351Z"},{"id":"NVI-00007818","kind":"vulnerability","title":"Craft CMS: Authorship spoofing in `entries/save-entry` via pre-check/post-mutation authorization gap","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qq2c-2q8j-jh27","CVE-2026-50279"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms. 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 5.9.21 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-e9ac663c9355950f8372b329b9378b73"],"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-e9ac663c9355950f8372b329b9378b73","url":"https://github.com/advisories/GHSA-qq2c-2q8j-jh27","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-qq2c-2q8j-jh27","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.351Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-e9ac663c9355950f8372b329b9378b73"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\n\n`EntriesController::actionSaveEntry()` performs entry-edit permission checks before request-controlled author changes are applied to the model. The subsequent author mutation path accepts attacker-supplied `authors` / `author` parameters and allows the change when the current user is one of the old authors. Because the controller does not re-run authorization after mutating the author list, a low-privileged user can reassign an entry’s authorship to another user without holding the dedicated peer-author-change permission.\n\n### Details\nThe control flow begins in EntriesController.php:249. `actionSaveEntry()` loads the entry and enforces edit permissions before calling `_populateEntryModel()`:\n\n```php\npublic function actionSaveEntry(bool $duplicate = false): ?Response\n{\n    ...\n    $entry = $this->_editableEntry($this->request->getBodyParam('entryId'), $siteId);\n    ...\n    $this->enforceEditEntryPermissions($entry, $duplicate);\n    ...\n    $this->_populateEntryModel($entry);\n    ...\n    $success = Craft::$app->getElements()->saveElement($entry);\n}\n```\n\nThe attacker-controlled source is in ","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.9.21"]}],"null_published_at":"2026-10-31T22:13:18.636Z","source_updated_at":"2026-09-10T03:50:52.940Z","source_disclosed_at":"2026-07-02T18:45:28.000Z","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":"2026-10-31T21:42:41.351Z"}],"next_cursor":null,"snapshot_revision":"42594"}