{"id":"CVE-2026-57476","aliases":["EUVD-2026-42976","GHSA-85qw-gwgm-xj6w"],"status":"published","title":"Deloitte AI Assist for Customer unauthenticated RAG corpus read and write","description":"Deloitte AI Assist for Customer exposed unauthenticated API endpoints that allowed an attacker with knowledge of additional parameters to read from or inject content into the retrieval-augmented generation (RAG) corpus. On 2026-03-25, AI Assist for Customer restricted network access and enforced authentication for the previously exposed endpoints.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00436,"percentile":0.383,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-07-10T17:10:50Z","modified":"2026-10-25T15:10:00Z","products":[{"vendor":"deloitte","product":"ai assist for customer"},{"vendor":"deloitte","product":"ai_assist_for_customer"}],"references":[{"url":"https://zerotolerance.me/advisories/deloitte-aiassist-ascend-2026-vu487875/","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://zerotolerance.me/advisories/assets/VU487875-deloitte-ascend-advisory.pdf","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-191-01.json","tags":["third-party-advisory","Technical Description"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-57476","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57476"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-57474"},{"url":"https://zerotolerance.me/advisories/deloitte-aiassist-ascend-2026-vu487875"},{"url":"https://github.com/advisories/GHSA-85qw-gwgm-xj6w"}],"sources":{"cve":[{"id":"CVE-2026-57476","title":"Deloitte AI Assist for Customer unauthenticated RAG corpus read and write","description":"Deloitte AI Assist for Customer exposed unauthenticated API endpoints that allowed an attacker with knowledge of additional parameters to read from or inject content into the retrieval-augmented generation (RAG) corpus. On 2026-03-25, AI Assist for Customer restricted network access and enforced authentication for the previously exposed endpoints.","status":"published","published":"2026-07-10T17:10:50.682Z","modified":"2026-08-03T18:20:12.103Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T13:43:44.898272Z"}],"euvd":[{"id":"EUVD-2026-42976","description":"Deloitte AI Assist for Customer exposed unauthenticated API endpoints that allowed an attacker with knowledge of additional parameters to read from or inject content into the retrieval-augmented generation (RAG) corpus. On 2026-03-25, AI Assist for Customer restricted network access and enforced authentication for the previously exposed endpoints.","status":"published","published":"2026-07-10T17:10:50Z","modified":"2026-08-03T18:20:12Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:02:24.01774Z"}],"ghsa":[{"id":"GHSA-85qw-gwgm-xj6w","title":"Deloitte AI Assist for Customer exposed unauthenticated API endpoints that allowed an attacker...","description":"Deloitte AI Assist for Customer exposed unauthenticated API endpoints that allowed an attacker with knowledge of additional parameters to read from or inject content into the retrieval-augmented generation (RAG) corpus. On 2026-03-25, AI Assist for Customer restricted network access and enforced authentication for the previously exposed endpoints.","status":"published","published":"2026-07-10T18:32:21Z","modified":"2026-08-03T21:32:30Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:10:02.88062Z"}],"nvd":[{"id":"CVE-2026-57476","description":"Deloitte AI Assist for Customer exposed unauthenticated API endpoints that allowed an attacker with knowledge of additional parameters to read from or inject content into the retrieval-augmented generation (RAG) corpus. On 2026-03-25, AI Assist for Customer restricted network access and enforced authentication for the previously exposed endpoints.","status":"published","published":"2026-07-10T18:16:24.947Z","modified":"2026-10-25T15:10:00.147Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:28.771746Z"}]}}