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THREAT OPS › Threat News › [NVD] CVE-2026-86259 (HIGH 7.5) — 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 sensiti

[NVD] CVE-2026-86259 (HIGH 7.5) — 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 sensiti

mednvdPublished 2026-09-06

CVE-2026-86259 CVSS: 7.5 HIGH Published: 2026-09-06T13:17:10.963

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.

MITRE ATT&CK techniques

CredentialsT1589.001

Indicators of compromise

CVE-2026-86259cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-86259