{"items":[{"id":"NVI-00005425","kind":"vulnerability","title":"User enumeration in authentication mechanisms","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g2qj-pmxm-9f8f"],"plain_summary":"OSV carries this publisher advisory for symfony/security-http, symfony/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 5.2.8 for symfony/security-http. Confirm the publisher’s latest guidance.","source_ids":["sr-8ef8aa06cf5e431b22cb4ff90fbffef7"],"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 5.2.8 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-8ef8aa06cf5e431b22cb4ff90fbffef7"],"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-8ef8aa06cf5e431b22cb4ff90fbffef7","url":"https://github.com/advisories/GHSA-g2qj-pmxm-9f8f","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-g2qj-pmxm-9f8f","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.409Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8ef8aa06cf5e431b22cb4ff90fbffef7"],"technology":"symfony/security-http","known_exclusions":[],"conditions_summary":"Description\n-----------\n\nThe ability to enumerate users was possible without relevant permissions due to different exception messages depending on whether the user existed or not. It was also possible to enumerate users by using a timing attack, by comparing time elapsed when authenticating an existing user and authenticating a non-existing user.\n\nResolution\n----------\n\nWe now ensure that 403s are returned whether the user exists or not if the password is invalid or if the user does not exist.\n\nThe patch for this issue is available here for branch 3.4.\n\nCredits\n-------\n\nI would like to thank James Isaac and Mathias Brodala for reporting the issue and Robin Chalas for fixing the issue.","public_affected_ranges":["ECOSYSTEM: introduced 5.1.0; fixed 5.2.8"]},{"certainty":"source_listed","source_ids":["sr-8ef8aa06cf5e431b22cb4ff90fbffef7"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"Description\n-----------\n\nThe ability to enumerate users was possible without relevant permissions due to different exception messages depending on whether the user existed or not. It was also possible to enumerate users by using a timing attack, by comparing time elapsed when authenticating an existing user and authenticating a non-existing user.\n\nResolution\n----------\n\nWe now ensure that 403s are returned whether the user exists or not if the password is invalid or if the user does not exist.\n\nThe patch for this issue is available here for branch 3.4.\n\nCredits\n-------\n\nI would like to thank James Isaac and Mathias Brodala for reporting the issue and Robin Chalas for fixing the issue.","public_affected_ranges":["ECOSYSTEM: introduced 5.1.0; fixed 5.2.8"]}],"null_published_at":"2026-10-31T22:13:01.464Z","source_updated_at":"2024-12-02T05:54:32.867Z","source_disclosed_at":"2021-05-17T20:52:32.000Z","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":"2026-10-31T21:42:20.409Z"}],"next_cursor":null,"snapshot_revision":"42594"}