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HIGH

CVE-2026-86259

OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation

CVSS v3

7.5

HIGH

EPSS Score

—

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

CVSS v3 Vector
3.1
Published
2026-09-06
Last Modified
2026-09-06

Frequently asked questions

What is CVE-2026-86259?

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.

Is CVE-2026-86259 actively exploited?

Active exploitation of CVE-2026-86259 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-86259?

CVE-2026-86259 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string 3.1.

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