VDB
CVE-2026-27896
CVE-2026-27896
PUBLISHED
CVSS 7 HIGH
MCP Go SDK Vulnerable to Improper Handling of Case Sensitivity
EPSS 0.46% · 37.4th percentile
Risk Scores
CVSS 4.0
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
0.46%
37.4th 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 PoC Published
- Feb 27, 2026 PoC Published
- Feb 28, 2026 EPSS Score
- Mar 2, 2026 EPSS Score
- Mar 4, 2026 EPSS Score
- Mar 6, 2026 EPSS Score
- Mar 8, 2026 EPSS Score
- Mar 10, 2026 EPSS Score
- Mar 12, 2026 EPSS Score