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CVE-2026-86259

CriticalCVSS 9 / 10
Published Sep 6, 2026·Last modified Sep 7, 2026
Affected Components(67)
thu-maic/openmaic
@openmaic/dsl@0.6.1
thu-maic/openmaic
@openmaic/storage@0.2.2
thu-maic/openmaic
@openmaic/importer@0.1.1
1 / 23
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.

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Risk Scores
Base Score
9.0

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
7.8

Exploitation activity has been observed. Apply available patches or mitigations urgently.

EPSS
0.25%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Proof of Concept

A proof of concept is available for this vulnerability (1 exploit found).

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