VULNERABILITY INTELLIGENCE
CVE-2026-86259
CVSS score9 CRITICAL
EPSS probability0.42%
CISA KEVNot currently listed
Published2026-09-06
Last modified2026-09-10
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:N/SA:N
Description
OpenMAIC before 1.0.1 skips server-side request forgery validation in non-production builds, allowing unauthenticated attackers to reach cloud instance metadata services. Attackers can supply arbitrary provider URLs via the x-base-url header or baseUrl parameter to access sensitive cloud credentials and metadata.
Weakness classification
- CWE-306: Missing Authentication for Critical Function
- CWE-918: Server-Side Request Forgery (SSRF)