{"items":[{"id":"NVI-00003734","kind":"vulnerability","title":"Zendframework session validation vulnerability","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-62f6-h68r-3jpw"],"plain_summary":"OSV carries this publisher advisory for zendframework/zendframework, zendframework/zendframework. 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 2.2.9 for zendframework/zendframework. Confirm the publisher’s latest guidance.","source_ids":["sr-48f7f595d540f1cc3cb6e873c728886b"],"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":"The original advisory lists fixed boundaries 2.3.4 for zendframework/zendframework. Confirm the publisher’s latest guidance.","source_ids":["sr-48f7f595d540f1cc3cb6e873c728886b"],"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-48f7f595d540f1cc3cb6e873c728886b","url":"https://github.com/advisories/GHSA-62f6-h68r-3jpw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-62f6-h68r-3jpw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.929Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-48f7f595d540f1cc3cb6e873c728886b"],"technology":"zendframework/zendframework","known_exclusions":[],"conditions_summary":"`Zend\\Session` session validators do not work as expected if set prior to the start of a session.\n\nFor instance, the following test case fails (where `$this->manager` is an instance of `Zend\\Session\\SessionManager`):\n```\n$this\n    ->manager\n    ->getValidatorChain()\n    ->attach('session.validate', array(new RemoteAddr(), 'isValid'));\n\n$this->manager->start();\n\n$this->assertSame(\n    array(\n        'Zend\\Session\\Validator\\RemoteAddr' =3D> '',\n    ),\n    $_SESSION['__ZF']['_VALID']\n);\n```\nThe implication is that subsequent calls to `Zend\\Session\\SessionManager#start()` (in later requests, assuming a session was created) will not have any validator metadata attached, which causes any validator metadata to be re-built from scratch, thus marking the session as valid.\n\nAn attacker is thus able to simply ignore session validators such as RemoteAddr or HttpUserAgent, since the \"signature\" that these validators check against is not being stored in the session.","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.2.9"]},{"certainty":"source_listed","source_ids":["sr-48f7f595d540f1cc3cb6e873c728886b"],"technology":"zendframework/zendframework","known_exclusions":[],"conditions_summary":"`Zend\\Session` session validators do not work as expected if set prior to the start of a session.\n\nFor instance, the following test case fails (where `$this->manager` is an instance of `Zend\\Session\\SessionManager`):\n```\n$this\n    ->manager\n    ->getValidatorChain()\n    ->attach('session.validate', array(new RemoteAddr(), 'isValid'));\n\n$this->manager->start();\n\n$this->assertSame(\n    array(\n        'Zend\\Session\\Validator\\RemoteAddr' =3D> '',\n    ),\n    $_SESSION['__ZF']['_VALID']\n);\n```\nThe implication is that subsequent calls to `Zend\\Session\\SessionManager#start()` (in later requests, assuming a session was created) will not have any validator metadata attached, which causes any validator metadata to be re-built from scratch, thus marking the session as valid.\n\nAn attacker is thus able to simply ignore session validators such as RemoteAddr or HttpUserAgent, since the \"signature\" that these validators check against is not being stored in the session.","public_affected_ranges":["ECOSYSTEM: introduced 2.3.0; fixed 2.3.4"]}],"null_published_at":"2026-10-31T22:12:48.028Z","source_updated_at":"2024-12-04T05:37:06.052Z","source_disclosed_at":"2024-06-07T20:20:21.000Z","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":"2026-10-31T21:41:59.929Z"}],"next_cursor":null,"snapshot_revision":"42594"}