VDB
CVE-2026-27896
CVE-2026-27896
PUBLISHED
CVSS 7 HIGH
MCP Go SDK Vulnerable to Improper Handling of Case Sensitivity
EPSS 0.04% · 14.4th percentile
Risk Scores
CVSS v4.0
7
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
EPSS Score
0.04%
14.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| modelcontextprotocol | go-sdk | < 1.3.1, < 1.3.1 |
| github.com | modelcontextprotocol/go-sdk | 0, 0 |
Timeline
- Feb 26, 2026 CVE Published
- Feb 26, 2026 EPSS Score
- Feb 26, 2026 PoC Published
- Feb 27, 2026 EPSS Score
- Feb 27, 2026 PoC Published
- Feb 27, 2026 PoC Published
- Mar 1, 2026 EPSS Score
- Mar 2, 2026 EPSS Score
- Mar 4, 2026 EPSS Score
- Mar 5, 2026 EPSS Score
- Mar 7, 2026 EPSS Score
- Mar 8, 2026 EPSS Score