{"items":[{"id":"NVI-00008059","kind":"vulnerability","title":"By-passing Protection of PharStreamWrapper Interceptor","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4v5g-8pq2-32m2"],"plain_summary":"OSV carries this publisher advisory for typo3/phar-stream-wrapper, typo3/phar-stream-wrapper. 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 2.0.1 for typo3/phar-stream-wrapper. Confirm the publisher’s latest guidance.","source_ids":["sr-f406460f89b4773cc03fce62db903904"],"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 3.0.1 for typo3/phar-stream-wrapper. Confirm the publisher’s latest guidance.","source_ids":["sr-f406460f89b4773cc03fce62db903904"],"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-f406460f89b4773cc03fce62db903904","url":"https://github.com/advisories/GHSA-4v5g-8pq2-32m2","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v5g-8pq2-32m2","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f406460f89b4773cc03fce62db903904"],"technology":"typo3/phar-stream-wrapper","known_exclusions":[],"conditions_summary":"Insecure deserialization is a vulnerability which occurs when untrusted data is used to abuse the logic of an application. In July 2018, the vulnerability of insecure deserialization when executing Phar archives was addressed by removing the known attack vector in the TYPO3 core. For more details read the corresponding TYPO3 advisory.\n\nIn addition, a new interceptor was introduced to protect possible (but unknown) vulnerabilities in 3rd party components like TYPO3 extensions. Basically, the PharStreamWrapper intercepts direct invocations of Phar archives and allows or denies further processing based on individual rules.\n\nRecently, the PharStreamWrapper was extracted from the TYPO3 core and released as standalone package under the MIT license. It is now available for any PHP driven project.\n\nThe stream wrapper overwrites the existing Phar handling of PHP, applies its own assertions and then restores the native PHP Phar handling for the corresponding commands (e.g. file_exists, include, fopen) to continue processing. After that, the native PHP Phar handling gets disabled and is overwritten by the logic of the PharStreamWrapper again. This is the only way to control invocations of Pha","public_affected_ranges":["ECOSYSTEM: introduced 1.0.0; fixed 2.0.1"]},{"certainty":"source_listed","source_ids":["sr-f406460f89b4773cc03fce62db903904"],"technology":"typo3/phar-stream-wrapper","known_exclusions":[],"conditions_summary":"Insecure deserialization is a vulnerability which occurs when untrusted data is used to abuse the logic of an application. In July 2018, the vulnerability of insecure deserialization when executing Phar archives was addressed by removing the known attack vector in the TYPO3 core. For more details read the corresponding TYPO3 advisory.\n\nIn addition, a new interceptor was introduced to protect possible (but unknown) vulnerabilities in 3rd party components like TYPO3 extensions. Basically, the PharStreamWrapper intercepts direct invocations of Phar archives and allows or denies further processing based on individual rules.\n\nRecently, the PharStreamWrapper was extracted from the TYPO3 core and released as standalone package under the MIT license. It is now available for any PHP driven project.\n\nThe stream wrapper overwrites the existing Phar handling of PHP, applies its own assertions and then restores the native PHP Phar handling for the corresponding commands (e.g. file_exists, include, fopen) to continue processing. After that, the native PHP Phar handling gets disabled and is overwritten by the logic of the PharStreamWrapper again. This is the only way to control invocations of Pha","public_affected_ranges":["ECOSYSTEM: introduced 3.0.0; fixed 3.0.1"]}],"null_published_at":"2026-10-31T22:13:22.828Z","source_updated_at":"2024-12-02T05:31:33.837Z","source_disclosed_at":"2024-06-05T17:30:00.000Z","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":"2026-10-31T21:41:49.673Z"}],"next_cursor":null,"snapshot_revision":"42594"}