{"items":[{"id":"NVI-00011747","kind":"vulnerability","title":"Duplicate Advisory: Keycloak: Unauthorized access via improper validation of encrypted SAML assertions","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"withdrawn","identifiers":["GHSA-wmxr-6j5f-838p"],"plain_summary":"GitHub lists this reviewed advisory for org.keycloak:keycloak-saml-adapter-core, org.keycloak:keycloak-saml-core, org.keycloak:keycloak-services, org.keycloak:keycloak-saml-adapter-core, org.keycloak:keycloak-saml-adapter-core. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-15e74fcc0a89f83a57f6f824ce5d4592"],"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":"2026-10-06T18:32:18.000Z","value":"7.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-15e74fcc0a89f83a57f6f824ce5d4592"}],"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-15e74fcc0a89f83a57f6f824ce5d4592","url":"https://github.com/advisories/GHSA-wmxr-6j5f-838p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wmxr-6j5f-838p","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-15e74fcc0a89f83a57f6f824ce5d4592"],"technology":"org.keycloak:keycloak-saml-adapter-core","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.","public_affected_ranges":["< 26.2.14"]},{"certainty":"source_listed","source_ids":["sr-15e74fcc0a89f83a57f6f824ce5d4592"],"technology":"org.keycloak:keycloak-saml-core","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.","public_affected_ranges":[">= 26.3.0, < 26.4.10"]},{"certainty":"source_listed","source_ids":["sr-15e74fcc0a89f83a57f6f824ce5d4592"],"technology":"org.keycloak:keycloak-services","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.","public_affected_ranges":[">= 26.5.0, < 26.5.5"]},{"certainty":"source_listed","source_ids":["sr-15e74fcc0a89f83a57f6f824ce5d4592"],"technology":"org.keycloak:keycloak-saml-adapter-core","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.","public_affected_ranges":[">= 26.3.0, < 26.4.10"]},{"certainty":"source_listed","source_ids":["sr-15e74fcc0a89f83a57f6f824ce5d4592"],"technology":"org.keycloak:keycloak-saml-adapter-core","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.","public_affected_ranges":[">= 26.5.0, < 26.5.5"]},{"certainty":"source_listed","source_ids":["sr-15e74fcc0a89f83a57f6f824ce5d4592"],"technology":"org.keycloak:keycloak-services","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.","public_affected_ranges":["< 26.2.14"]},{"certainty":"source_listed","source_ids":["sr-15e74fcc0a89f83a57f6f824ce5d4592"],"technology":"org.keycloak:keycloak-services","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.","public_affected_ranges":[">= 26.3.0, < 26.4.10"]},{"certainty":"source_listed","source_ids":["sr-15e74fcc0a89f83a57f6f824ce5d4592"],"technology":"org.keycloak:keycloak-saml-core","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.","public_affected_ranges":["< 26.2.14"]},{"certainty":"source_listed","source_ids":["sr-15e74fcc0a89f83a57f6f824ce5d4592"],"technology":"org.keycloak:keycloak-saml-core","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.","public_affected_ranges":[">= 26.5.0, < 26.5.5"]}],"null_published_at":"2026-11-01T01:03:56.598Z","source_updated_at":"2026-10-06T18:32:18.000Z","source_disclosed_at":"2026-03-18T03:32:09.000Z","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":"2026-11-01T00:59:16.959Z"}],"next_cursor":null,"snapshot_revision":"42594"}