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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.

PUBLISHED Reserved 2026-06-24 | Published 2026-07-10 | Updated 2026-07-10 | Assigner cisa-cg




MEDIUM: 4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
MEDIUM: 6.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-306 Missing Authentication for Critical Function

Product status

Default status
unknown

Any version before 2026-03-25
affected

2026-03-25
unaffected

Credits

Karim El Labban, Zero Tolerance

References

zerotolerance.me/.../deloitte-aiassist-ascend-2026-vu487875/ (url) third-party-advisory

zerotolerance.me/...ts/VU487875-deloitte-ascend-advisory.pdf (url) third-party-advisory

raw.githubusercontent.com/...IT/white/2026/va-26-191-01.json (url) third-party-advisory

www.cve.org/CVERecord?id=CVE-2026-57474 (url) vdb-entry

cve.org (CVE-2026-57476)

nvd.nist.gov (CVE-2026-57476)

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