{"id":"CVE-2026-7557","aliases":["EUVD-2026-53424","GHSA-j86w-xf2g-5g65"],"status":"published","title":"SAML authentication bypass in Progress MarkLogic Server","description":"An improper verification of cryptographic signature vulnerability in the SAML authentication module of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an unauthenticated remote attacker to bypass authentication and impersonate any user, including administrators. This vulnerability affects deployments with SAML single sign-on enabled.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00462,"percentile":0.40328,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-08-05T15:33:05Z","modified":"2026-10-24T13:10:00Z","products":[{"vendor":"progress","product":"marklogic_server"},{"vendor":"progress software corporation","product":"marklogic server"}],"references":[{"url":"https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7557"},{"url":"https://github.com/advisories/GHSA-j86w-xf2g-5g65"}],"sources":{"cve":[{"id":"CVE-2026-7557","title":"SAML authentication bypass in Progress MarkLogic Server","description":"An improper verification of cryptographic signature vulnerability in the SAML authentication module of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an unauthenticated remote attacker to bypass authentication and impersonate any user, including administrators. This vulnerability affects deployments with SAML single sign-on enabled.","status":"published","published":"2026-08-05T15:33:05.872Z","modified":"2026-08-07T03:55:26.318Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:20:05.830416Z"}],"euvd":[{"id":"EUVD-2026-53424","description":"An improper verification of cryptographic signature vulnerability in the SAML authentication module of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an unauthenticated remote attacker to bypass authentication and impersonate any user, including administrators. This vulnerability affects deployments with SAML single sign-on enabled.","status":"published","published":"2026-08-05T15:33:05Z","modified":"2026-08-07T03:55:26Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T18:02:07.757838Z"}],"ghsa":[{"id":"GHSA-j86w-xf2g-5g65","title":"An improper verification of cryptographic signature vulnerability in the SAML authentication...","description":"An improper verification of cryptographic signature vulnerability in the SAML authentication module of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an unauthenticated remote attacker to bypass authentication and impersonate any user, including administrators. This vulnerability affects deployments with SAML single sign-on enabled.","status":"published","published":"2026-08-05T18:31:37Z","modified":"2026-08-05T18:31:43Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:10:07.926015Z"}],"nvd":[{"id":"CVE-2026-7557","description":"An improper verification of cryptographic signature vulnerability in the SAML authentication module of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an unauthenticated remote attacker to bypass authentication and impersonate any user, including administrators. This vulnerability affects deployments with SAML single sign-on enabled.","status":"published","published":"2026-08-05T16:17:09.437Z","modified":"2026-10-24T13:10:00.147Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:35.031043Z"}]}}