{"items":[{"id":"NVI-00008080","kind":"vulnerability","title":"Auth0 Symfony SDK Vulnerable to Brute Force Authentication Tags of CookieStore Sessions","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9wg9-93h9-j8ch"],"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 5.4.0 for auth0/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-f507b665e865df6d501dc16f1dddb745"],"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-f507b665e865df6d501dc16f1dddb745","url":"https://github.com/advisories/GHSA-9wg9-93h9-j8ch","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9wg9-93h9-j8ch","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.691Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f507b665e865df6d501dc16f1dddb745"],"technology":"auth0/symfony","known_exclusions":[],"conditions_summary":"**Overview**\nSession cookies of applications using the Auth0 symfony SDK configured with CookieStore have authentication tags that can be brute forced, which may result in unauthorized access.\n\n**Am I Affected?**\nYou are affected by this vulnerability if you meet the following pre-conditions:\n1. Applications using the Auth0 symfony SDK with version <=5.3.1\n2. Auth0/Symfony SDK uses the Auth0-PHP SDK with version 8.0.0-BETA1 or higher and below 8.14.0. \n3. Session storage configured with CookieStore.\n\n\n**Fix**\nUpgrade Auth0/symfony to v5.4.0. As an additional precautionary measure, we recommend rotating your cookie encryption keys. Note that once updated, any previous session cookies will be rejected.\n\n**Acknowledgement**\nOkta would like to thank Félix Charette for discovering this vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.4.0"]}],"null_published_at":"2026-10-31T22:13:22.828Z","source_updated_at":"2026-02-05T14:17:42.152Z","source_disclosed_at":"2025-05-17T15:06:54.000Z","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":"2026-10-31T21:42:10.691Z"}],"next_cursor":null,"snapshot_revision":"42594"}