CVE-2026-57475: CWE-306 Missing Authentication for Critical Function in Deloitte AI Assist for Customer
Deloitte AI Assist for Customer accepted unauthenticated POST requests through public-facing API endpoints that allowed a remote attacker to make limited additions to the configuration. These additions were not used by the system. On 2026-03-25, AI Assist for Customer restricted network access and enforced authentication for the previously exposed endpoints.
AI Analysis
Technical Summary
Deloitte AI Assist for Customer had a missing authentication vulnerability (CWE-306) allowing unauthenticated remote attackers to send POST requests to public API endpoints and make limited configuration changes. These changes did not affect system operation. The vulnerability was mitigated by restricting network access and enforcing authentication on the affected endpoints starting March 25, 2026. No patch or official remediation level is documented, and no known exploits are reported in the wild.
Potential Impact
The vulnerability allowed unauthenticated attackers to make limited configuration additions via exposed API endpoints. However, these additions were not used by the system, so no direct confidentiality, availability, or critical integrity impact is reported. The CVSS score of 5.3 reflects a medium impact primarily due to the potential for limited unauthorized configuration changes without further exploitation.
Mitigation Recommendations
Deloitte has mitigated this vulnerability by restricting network access and enforcing authentication on the affected API endpoints as of March 25, 2026. No further action is required if these controls are in place. Patch status is not explicitly confirmed; check Deloitte advisories for any updates.
CVE-2026-57475: CWE-306 Missing Authentication for Critical Function in Deloitte AI Assist for Customer
Description
Deloitte AI Assist for Customer accepted unauthenticated POST requests through public-facing API endpoints that allowed a remote attacker to make limited additions to the configuration. These additions were not used by the system. On 2026-03-25, AI Assist for Customer restricted network access and enforced authentication for the previously exposed endpoints.
CVSS v3.1
Score 5.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Deloitte AI Assist for Customer had a missing authentication vulnerability (CWE-306) allowing unauthenticated remote attackers to send POST requests to public API endpoints and make limited configuration changes. These changes did not affect system operation. The vulnerability was mitigated by restricting network access and enforcing authentication on the affected endpoints starting March 25, 2026. No patch or official remediation level is documented, and no known exploits are reported in the wild.
Potential Impact
The vulnerability allowed unauthenticated attackers to make limited configuration additions via exposed API endpoints. However, these additions were not used by the system, so no direct confidentiality, availability, or critical integrity impact is reported. The CVSS score of 5.3 reflects a medium impact primarily due to the potential for limited unauthorized configuration changes without further exploitation.
Mitigation Recommendations
Deloitte has mitigated this vulnerability by restricting network access and enforcing authentication on the affected API endpoints as of March 25, 2026. No further action is required if these controls are in place. Patch status is not explicitly confirmed; check Deloitte advisories for any updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- cisa-cg
- Date Reserved
- 2026-06-24T13:52:07.929Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5133df68715ace43f431ba
Added to database: 07/10/2026, 18:03:11 UTC
Last enriched: 08/03/2026, 19:30:42 UTC
Last updated: 08/24/2026, 10:52:10 UTC
Views: 82
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