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Vulnerability record · CVE-2025-66698 · published 13 January 2026

CVE-2025-66698: Semantic-machines veda improper authentication vulnerability

Semantic Machines · Veda

An issue in Semantic machines v5.4.8 allows attackers to bypass authentication via sending a crafted HTTP request to various API endpoints.

8.6 CVSS 3.1 High EPSS 0.49% · top 60.2% CWE-287 · Improper authentication
8.6CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
5 Jul 2026Last modified by NVD

Description

An issue in Semantic machines v5.4.8 allows attackers to bypass authentication via sending a crafted HTTP request to various API endpoints.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Perunchess/CVE-2025-66698 ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-66698), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.