CVE-2026-86259 PUBLISHED

OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation

Assigner: VulnCheck
Reserved: 06.09.2026 Published: 06.09.2026 Updated: 06.09.2026

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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:N/SA:N
CVSS Score: 9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
CVSS Score: 7.5

Attack Vector	Network	Scope	Changed
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	THU-MAIC
Product	OpenMAIC
Versions	Default: unaffected affected from 0 to 1.0.1 (excl.) Version 1.0.1 is unaffected

CVE-2026-86259 PUBLISHED

OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation

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Product Status

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Problem Types