CRITICALVulnerability
CVE-2026-82456
argocd-mcp 0.8.0 binds its HTTP transport to every network interface and accepts MCP sessions without requiring caller credentials when ARGOCD_API_TOKEN is configured. Attackers who can reach the listener can invoke the full tool surface using the operator's stored token to create applications, request syncs, and modify Argo CD resources.
Properties
- severity
- CRITICAL
- score
- 10
- epss_score
- 0.00372
- cve_id
- CVE-2026-82456
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- published_at
- 2026-08-29T14:16:38.767
- last_modified
- 2026-09-02T19:18:06.690
- epss_percentile
- 0.30345
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Binding to an Unrestricted IP Address
DESCRIBED_BY (1)
→[Source]NVD
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