{"items":[{"id":"NVI-00008201","kind":"vulnerability","title":"Admidio Sends SAML Response to Unvalidated Assertion Consumer Service URL from AuthnRequest","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-p9w9-87c8-m235","CVE-2026-41670"],"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-fa0174017024b15e97a63b164cbddaf8"],"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-2d4cb457f84b0c25bfa8bd95c2764b00"],"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":"2026-06-17T10:46:58.480Z","value":"8.2 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1e18fec8483260e7b42d332e66f57fd5"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.280%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.20507. Missing scores are unknown.","source_id":"sr-2d4cb457f84b0c25bfa8bd95c2764b00"}],"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-fa0174017024b15e97a63b164cbddaf8","url":"https://github.com/advisories/GHSA-p9w9-87c8-m235","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-p9w9-87c8-m235","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.989Z"},{"id":"sr-1e18fec8483260e7b42d332e66f57fd5","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41670","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-41670","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T22:35:05.894Z"},{"id":"sr-2d4cb457f84b0c25bfa8bd95c2764b00","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-2026-41670","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.278Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-fa0174017024b15e97a63b164cbddaf8"],"technology":"admidio/admidio","known_exclusions":[],"conditions_summary":"## Summary\n\nThe SAML IdP implementation in Admidio's SSO module uses the `AssertionConsumerServiceURL` value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the registered ACS URL (`smc_acs_url`) stored in the database for the corresponding service provider client. An attacker who knows the Entity ID of a registered SP client can craft a SAML AuthnRequest with an arbitrary `AssertionConsumerServiceURL`, causing the IdP to send the signed SAML response -- containing user identity attributes (login name, email, roles, profile fields) -- to an attacker-controlled URL.\n\n## Details\n\nThe vulnerability is in `src/SSO/Service/SAMLService.php`, in `handleSSORequest()` at lines 439-465:\n\n```php\n// Line 439: ACS URL extracted directly from the AuthnRequest (attacker-controlled)\n$clientACS = $request->getAssertionConsumerServiceURL();\n\n// ...\n\n// Line 456: Used as the Destination of the SAML Response\n$response->setDestination($clientACS);\n\n// Lines 463-465: Also used as the Recipient in SubjectConfirmationData\n$subjectConfirmationData = new \\LightSaml\\Model\\Assertion\\SubjectConfirmationData();\n$subjectConfirmationData\n  ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0.9"]}],"null_published_at":"2026-11-06T15:18:11.463Z","source_updated_at":"2026-05-08T20:33:45.002Z","source_disclosed_at":"2026-04-29T21:57:30.000Z","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":"2026-10-31T21:42:30.989Z"},{"id":"NVI-00008201","kind":"vulnerability","title":"Admidio Sends SAML Response to Unvalidated Assertion Consumer Service URL from AuthnRequest","revision":2,"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-p9w9-87c8-m235","CVE-2026-41670"],"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-fa0174017024b15e97a63b164cbddaf8"],"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-1e18fec8483260e7b42d332e66f57fd5"],"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":"2026-06-17T10:46:58.480Z","value":"8.2 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1e18fec8483260e7b42d332e66f57fd5"}],"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-fa0174017024b15e97a63b164cbddaf8","url":"https://github.com/advisories/GHSA-p9w9-87c8-m235","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-p9w9-87c8-m235","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.989Z"},{"id":"sr-1e18fec8483260e7b42d332e66f57fd5","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41670","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-41670","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T22:35:05.894Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-fa0174017024b15e97a63b164cbddaf8"],"technology":"admidio/admidio","known_exclusions":[],"conditions_summary":"## Summary\n\nThe SAML IdP implementation in Admidio's SSO module uses the `AssertionConsumerServiceURL` value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the registered ACS URL (`smc_acs_url`) stored in the database for the corresponding service provider client. An attacker who knows the Entity ID of a registered SP client can craft a SAML AuthnRequest with an arbitrary `AssertionConsumerServiceURL`, causing the IdP to send the signed SAML response -- containing user identity attributes (login name, email, roles, profile fields) -- to an attacker-controlled URL.\n\n## Details\n\nThe vulnerability is in `src/SSO/Service/SAMLService.php`, in `handleSSORequest()` at lines 439-465:\n\n```php\n// Line 439: ACS URL extracted directly from the AuthnRequest (attacker-controlled)\n$clientACS = $request->getAssertionConsumerServiceURL();\n\n// ...\n\n// Line 456: Used as the Destination of the SAML Response\n$response->setDestination($clientACS);\n\n// Lines 463-465: Also used as the Recipient in SubjectConfirmationData\n$subjectConfirmationData = new \\LightSaml\\Model\\Assertion\\SubjectConfirmationData();\n$subjectConfirmationData\n  ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0.9"]}],"null_published_at":"2026-11-04T10:04:35.917Z","source_updated_at":"2026-05-08T20:33:45.002Z","source_disclosed_at":"2026-04-29T21:57:30.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.989Z"},{"id":"NVI-00008201","kind":"vulnerability","title":"Admidio Sends SAML Response to Unvalidated Assertion Consumer Service URL from AuthnRequest","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p9w9-87c8-m235","CVE-2026-41670"],"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-fa0174017024b15e97a63b164cbddaf8"],"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-fa0174017024b15e97a63b164cbddaf8","url":"https://github.com/advisories/GHSA-p9w9-87c8-m235","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-p9w9-87c8-m235","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.989Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-fa0174017024b15e97a63b164cbddaf8"],"technology":"admidio/admidio","known_exclusions":[],"conditions_summary":"## Summary\n\nThe SAML IdP implementation in Admidio's SSO module uses the `AssertionConsumerServiceURL` value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the registered ACS URL (`smc_acs_url`) stored in the database for the corresponding service provider client. An attacker who knows the Entity ID of a registered SP client can craft a SAML AuthnRequest with an arbitrary `AssertionConsumerServiceURL`, causing the IdP to send the signed SAML response -- containing user identity attributes (login name, email, roles, profile fields) -- to an attacker-controlled URL.\n\n## Details\n\nThe vulnerability is in `src/SSO/Service/SAMLService.php`, in `handleSSORequest()` at lines 439-465:\n\n```php\n// Line 439: ACS URL extracted directly from the AuthnRequest (attacker-controlled)\n$clientACS = $request->getAssertionConsumerServiceURL();\n\n// ...\n\n// Line 456: Used as the Destination of the SAML Response\n$response->setDestination($clientACS);\n\n// Lines 463-465: Also used as the Recipient in SubjectConfirmationData\n$subjectConfirmationData = new \\LightSaml\\Model\\Assertion\\SubjectConfirmationData();\n$subjectConfirmationData\n  ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0.9"]}],"null_published_at":"2026-10-31T22:13:22.834Z","source_updated_at":"2026-05-08T20:33:45.002Z","source_disclosed_at":"2026-04-29T21:57:30.000Z","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":"2026-10-31T21:42:30.989Z"}],"next_cursor":null,"snapshot_revision":"42594"}