High 7.5Published Sep 6, 2026

CVE-2026-86259OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation

Updated under an hour ago (Oct 26, 2026, 1:40 PM ET)

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It affects THU-MAIC OpenMAIC. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for THU-MAIC OpenMAIC

Exploited in the last 30 days

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: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
Weakness (CWE): CWE-918, CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Sep 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

THU-MAIC OpenMAIC thu_maic:openmaic (from the name)	before 1.0.1; 1.0.1 not affected	CNA record

References

References

https://github.com/THU-MAIC/OpenMAIC/security/advisories/GHSA-9m7h-vh2h-rc3w	vendor-advisory
https://github.com/THU-MAIC/OpenMAIC/blob/v1.0.0/middleware.ts#L60-L63	technical-description
https://github.com/THU-MAIC/OpenMAIC/blob/v1.0.0/app/api/generate/image/route.ts#L73-L78	technical-description
https://github.com/THU-MAIC/OpenMAIC/releases/tag/v1.0.1	patch, release-notes
https://github.com/THU-MAIC/OpenMAIC	product
https://www.vulncheck.com/advisories/openmaic-before-1.0.1-ssrf-via-environment-gated-url-validation	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.