{"items":[{"id":"NVI-00006980","kind":"vulnerability","title":"Auth0 Symfony SDK Deserialization of Untrusted Data vulnerability","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-98j6-67v3-mw34"],"plain_summary":"OSV carries this publisher advisory for auth0/symfony. 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 5.1.0 for auth0/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-ca242478d16cfefa74f804c2236cdea3"],"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-ca242478d16cfefa74f804c2236cdea3","url":"https://github.com/advisories/GHSA-98j6-67v3-mw34","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-98j6-67v3-mw34","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.683Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ca242478d16cfefa74f804c2236cdea3"],"technology":"auth0/symfony","known_exclusions":[],"conditions_summary":"**Overview**\nThe Auth0 Symfony SDK contains a critical vulnerability due to insecure deserialization of cookie data. If exploited, since SDKs process cookie content without prior authentication, a threat actor could send a specially crafted cookie containing malicious serialized data.\n\n\n**Am I Affected?**\nYou are affected by this vulnerability if you meet the following preconditions:\n\n1. Applications using the Auth0 Symfony SDK, versions between 5.0.0 BETA-0 to 5.0.0. \n2. Auth0 Symfony SDK uses the Auth0-PHP SDK with version 8.0.0-BETA3 to 8.3.0.\n\n**Fix**\nUpgrade Auth0/symfony to the latest version (v5.4.0).\n\n**Acknowledgement**\nOkta would like to thank Andreas Forsblom for discovering this vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-BETA0; fixed 5.1.0"]}],"null_published_at":"2026-10-31T22:13:14.306Z","source_updated_at":"2026-02-04T03:30:57.828Z","source_disclosed_at":"2025-06-06T00:07:08.000Z","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":"2026-10-31T21:42:10.683Z"}],"next_cursor":null,"snapshot_revision":"42594"}