CVE-2026-86259

OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation

HIGH
7.5
CVSS Score
Published: September 6, 2026 at 12:37 PM UTC
Updated: September 10, 2026 at 08:18 PM UTC
1 product affected across 1 vendorOpenMAIC

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.0.1
Vendor states this is fixed in 1.0.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHVulnCheck
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918CWE-306

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