OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation (CVE-2026-86259) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-86259

OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation

Answer in brief

CVE-2026-86259 records a Unknown severity vulnerability in OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation. The current sources do not mark it as known exploited. The current feed maps THU-MAIC/OpenMAIC (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 6, 2026Updated Sep 6, 2026Source checked Sep 6, 2026First seen by HOL Sep 6, 2026Material review Sep 6, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps THU-MAIC/OpenMAIC (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
THU-MAIC/OpenMAICgeneric	>=0 <1.0.1	1.0.1

Recommended response

Check inventory. Check lockfiles and deployed manifests for THU-MAIC/OpenMAIC.
Review the reported fix. Update THU-MAIC/OpenMAIC to 1.0.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 6, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 6, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 6, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.