VDB
CVE-2026-111771
CVE-2026-111771
PUBLISHED
CVSS 6.800000190734863 MEDIUM
MCP TypeScript SDK: Server bearer authentication accepted tokens issued for another service
Risk Scores
CVSS 3.1
6.800000190734863
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| modelcontextprotocol | server | 2.0.0 |
| modelcontextprotocol | sdk | 1.6.0 |
| modelcontextprotocol | express | 2.0.0 |
| chainguard | wazuh-dashboard-fips | 0 |
| chainguard | opensearch-dashboards-2 | 0 |
| chainguard | opensearch-dashboards-2-fips | 0 |
| chainguard | wazuh-dashboard | 0 |
| modelcontextprotocol | server-legacy | 2.0.0 |
| chainguard | kibana-9.3 | 0 |
| chainguard | kibana-9.2 | 0 |
Timeline
- Oct 20, 2026 CVE Published
- Oct 30, 2026 Security Advisory
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-111771 advisory
- https://github.com/advisories/GHSA-rvq5-wwqv-78pq advisory
- https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-rvq5-wwqv-78pq url
- https://github.com/modelcontextprotocol/typescript-sdk/commit/40f8f4e229d963cd7fd2890bda2aeebe7005299a patch
- https://github.com/modelcontextprotocol/typescript-sdk/commit/5a0724d14cf34a27a3b070224d2996cdd611df9f patch
- https://github.com/modelcontextprotocol/typescript-sdk/commit/5a1867390b91b8836f49af76c45427279f513325 patch