{"items":[{"id":"NVI-00006633","kind":"vulnerability","title":"onelogin/php-saml Improper signature validation on LogoutRequest/LogoutResponse.","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9wrw-p9rm-r782"],"plain_summary":"OSV carries this publisher advisory for onelogin/php-saml. 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 2.10.4 for onelogin/php-saml. Confirm the publisher’s latest guidance.","source_ids":["sr-bc432fb6c831b07728b8cfbe2571ea87"],"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-bc432fb6c831b07728b8cfbe2571ea87","url":"https://github.com/advisories/GHSA-9wrw-p9rm-r782","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9wrw-p9rm-r782","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.692Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-bc432fb6c831b07728b8cfbe2571ea87"],"technology":"onelogin/php-saml","known_exclusions":[],"conditions_summary":"In order to verify Signatures on Logoutrequests and LogoutResponses we use\nthe verifySignature of the class XMLSecurityKey from the xmlseclibs library.\nThat method end up calling openssl_verify() depending on the signature algorithm used.\n\nThe openssl_verify() function returns 1 when the signature was successfully verified,\n0 if it failed to verify with the given key, and -1 in case an error occurs.\nPHP allows translating numerical values to boolean implicitly, with the following correspondences:\n- 0 equals false.\n- Non-zero equals true.\n\nThis means that an implicit conversion to boolean of the values returned by openssl_verify()\nwill convert an error state, signaled by the value -1, to a successful verification of the\nsignature (represented by the boolean true).\n\nThe LogoutRequest/LogoutResponse signature validator was performing an implicit conversion to boolean\nof the values returned by the verify() method, which subsequently will return the same output\nas openssl_verify() under most circumstances.\nThis means an error during signature verification is treated as a successful verification by the method.\n\nSince the signature validation of SAMLResponses were not affected, the impact","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.10.4"]}],"null_published_at":"2026-10-31T22:13:10.066Z","source_updated_at":"2024-12-02T05:50:14.504Z","source_disclosed_at":"2024-05-17T23:06:54.000Z","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":"2026-10-31T21:42:10.692Z"}],"next_cursor":null,"snapshot_revision":"42594"}