{"items":[{"id":"NVI-00007370","kind":"vulnerability","title":"Admidio Ignores SAML Signature Validation Result, Processes Forged AuthnRequests and LogoutRequests","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-25cw-98hg-g3cg","CVE-2026-41669"],"plain_summary":"OSV carries this publisher advisory for admidio/admidio. 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 5.0.9 for admidio/admidio. Confirm the publisher’s latest guidance.","source_ids":["sr-d926092a681fbad8ad98e5a907c2e572"],"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":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1516bba9a839b8e590d6d535356f7559"],"action_type":"investigate","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":[{"kind":"CVSS","as_of":"2026-06-17T10:46:58.383Z","value":"8.2 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-bd610cd7d43e542414ece945962c62ab"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.191%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.08822. Missing scores are unknown.","source_id":"sr-1516bba9a839b8e590d6d535356f7559"}],"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-d926092a681fbad8ad98e5a907c2e572","url":"https://github.com/advisories/GHSA-25cw-98hg-g3cg","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-25cw-98hg-g3cg","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.010Z"},{"id":"sr-bd610cd7d43e542414ece945962c62ab","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41669","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-41669","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:02.489Z"},{"id":"sr-1516bba9a839b8e590d6d535356f7559","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-41669","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.378Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d926092a681fbad8ad98e5a907c2e572"],"technology":"admidio/admidio","known_exclusions":[],"conditions_summary":"## Summary\n\nThe Admidio SAML Identity Provider implementation discards the return value of its `validateSignature()` method at both call sites (`handleSSORequest()` line 418 and `handleSLORequest()` line 613). The method returns error strings on failure rather than throwing exceptions, but the developer believed it would throw (per comments on lines 416 and 611). This means the `smc_require_auth_signed` configuration option is completely ineffective — unsigned or invalidly-signed SAML AuthnRequests and LogoutRequests are processed identically to properly signed ones.\n\n## Details\n\nThe `validateSignature()` method at `src/SSO/Service/SAMLService.php:355` has three possible return paths:\n\n```php\n// Line 355-392\npublic function validateSignature(SAMLClient $client, SamlMessage $message, bool $required = false): bool|string {\n    global $gL10n;\n    $certPem = $client->getValue('smc_x509_certificate');\n    if (!$certPem) {\n        if ($required) {\n            return $gL10n->get('SYS_SSO_SAML_SIGNATURE_KEY_MISSING'); // Returns STRING, not throw\n        } else {\n            return false;\n        }\n    }\n    // ...\n    $signatureReader = $message->getSignature();\n    if (is_null($signature","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0.9"]}],"null_published_at":"2026-11-07T22:29:23.374Z","source_updated_at":"2026-05-08T20:33:32.260Z","source_disclosed_at":"2026-04-29T21:56:13.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:40.010Z"},{"id":"NVI-00007370","kind":"vulnerability","title":"Admidio Ignores SAML Signature Validation Result, Processes Forged AuthnRequests and LogoutRequests","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-25cw-98hg-g3cg","CVE-2026-41669"],"plain_summary":"OSV carries this publisher advisory for admidio/admidio. 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 5.0.9 for admidio/admidio. Confirm the publisher’s latest guidance.","source_ids":["sr-d926092a681fbad8ad98e5a907c2e572"],"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":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1516bba9a839b8e590d6d535356f7559"],"action_type":"investigate","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":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.191%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.08822. Missing scores are unknown.","source_id":"sr-1516bba9a839b8e590d6d535356f7559"}],"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-d926092a681fbad8ad98e5a907c2e572","url":"https://github.com/advisories/GHSA-25cw-98hg-g3cg","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-25cw-98hg-g3cg","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.010Z"},{"id":"sr-1516bba9a839b8e590d6d535356f7559","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-41669","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.378Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d926092a681fbad8ad98e5a907c2e572"],"technology":"admidio/admidio","known_exclusions":[],"conditions_summary":"## Summary\n\nThe Admidio SAML Identity Provider implementation discards the return value of its `validateSignature()` method at both call sites (`handleSSORequest()` line 418 and `handleSLORequest()` line 613). The method returns error strings on failure rather than throwing exceptions, but the developer believed it would throw (per comments on lines 416 and 611). This means the `smc_require_auth_signed` configuration option is completely ineffective — unsigned or invalidly-signed SAML AuthnRequests and LogoutRequests are processed identically to properly signed ones.\n\n## Details\n\nThe `validateSignature()` method at `src/SSO/Service/SAMLService.php:355` has three possible return paths:\n\n```php\n// Line 355-392\npublic function validateSignature(SAMLClient $client, SamlMessage $message, bool $required = false): bool|string {\n    global $gL10n;\n    $certPem = $client->getValue('smc_x509_certificate');\n    if (!$certPem) {\n        if ($required) {\n            return $gL10n->get('SYS_SSO_SAML_SIGNATURE_KEY_MISSING'); // Returns STRING, not throw\n        } else {\n            return false;\n        }\n    }\n    // ...\n    $signatureReader = $message->getSignature();\n    if (is_null($signature","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0.9"]}],"null_published_at":"2026-10-31T22:27:06.722Z","source_updated_at":"2026-05-08T20:33:32.260Z","source_disclosed_at":"2026-04-29T21:56:13.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:40.010Z"},{"id":"NVI-00007370","kind":"vulnerability","title":"Admidio Ignores SAML Signature Validation Result, Processes Forged AuthnRequests and LogoutRequests","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-25cw-98hg-g3cg","CVE-2026-41669"],"plain_summary":"OSV carries this publisher advisory for admidio/admidio. 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 5.0.9 for admidio/admidio. Confirm the publisher’s latest guidance.","source_ids":["sr-d926092a681fbad8ad98e5a907c2e572"],"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-d926092a681fbad8ad98e5a907c2e572","url":"https://github.com/advisories/GHSA-25cw-98hg-g3cg","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-25cw-98hg-g3cg","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.010Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d926092a681fbad8ad98e5a907c2e572"],"technology":"admidio/admidio","known_exclusions":[],"conditions_summary":"## Summary\n\nThe Admidio SAML Identity Provider implementation discards the return value of its `validateSignature()` method at both call sites (`handleSSORequest()` line 418 and `handleSLORequest()` line 613). The method returns error strings on failure rather than throwing exceptions, but the developer believed it would throw (per comments on lines 416 and 611). This means the `smc_require_auth_signed` configuration option is completely ineffective — unsigned or invalidly-signed SAML AuthnRequests and LogoutRequests are processed identically to properly signed ones.\n\n## Details\n\nThe `validateSignature()` method at `src/SSO/Service/SAMLService.php:355` has three possible return paths:\n\n```php\n// Line 355-392\npublic function validateSignature(SAMLClient $client, SamlMessage $message, bool $required = false): bool|string {\n    global $gL10n;\n    $certPem = $client->getValue('smc_x509_certificate');\n    if (!$certPem) {\n        if ($required) {\n            return $gL10n->get('SYS_SSO_SAML_SIGNATURE_KEY_MISSING'); // Returns STRING, not throw\n        } else {\n            return false;\n        }\n    }\n    // ...\n    $signatureReader = $message->getSignature();\n    if (is_null($signature","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0.9"]}],"null_published_at":"2026-10-31T22:13:14.334Z","source_updated_at":"2026-05-08T20:33:32.260Z","source_disclosed_at":"2026-04-29T21:56:13.000Z","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":"2026-10-31T21:41:40.010Z"}],"next_cursor":null,"snapshot_revision":"42594"}