CVE-2026-86259OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation
Updated under an hour ago ()
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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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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
THU-MAIC OpenMAIC thu_maic:openmaic (from the name) | before 1.0.1; 1.0.1 not affected | CNA record |
References
- https://github.com/THU-MAIC/OpenMAIC/security/advisories/GHSA-9m7h-vh2h-rc3wvendor-advisory
- https://github.com/THU-MAIC/OpenMAIC/blob/v1.0.0/middleware.ts#L60-L63technical-description
- https://github.com/THU-MAIC/OpenMAIC/blob/v1.0.0/app/api/generate/image/route.ts#L73-L78technical-description
- https://github.com/THU-MAIC/OpenMAIC/releases/tag/v1.0.1patch, release-notes
- https://github.com/THU-MAIC/OpenMAICproduct
- https://www.vulncheck.com/advisories/openmaic-before-1.0.1-ssrf-via-environment-gated-url-validationthird-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.