VDB
CVE-2026-25536
CVE-2026-25536
PUBLISHED
CVSS 7.099999904632568 HIGH
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
EPSS 0.02% · 3.7th percentile
Risk Scores
CVSS 3.1
7.099999904632568
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
EPSS Score
0.02%
3.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| AWS | connect | |
| lfprojects | mcp_typescript_sdk | 1.10.0, 1.10.0 |
| Cloudflare | stream | |
| modelcontextprotocol | typescript-sdk | >= 1.10.0, < 1.26.0, >= 1.10.0, < 1.26.0 |
| modelcontextprotocol | sdk | 1.10.0, 1.10.0 |
Exploit Intelligence
- https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-345p-7cg4-v4c7 (circl)
- https://github.com/modelcontextprotocol/typescript-sdk/issues/204 (circl)
- https://github.com/modelcontextprotocol/typescript-sdk/issues/243 (circl)
- GHSA-w2fm-25vw-vh7f.yml (github-poc)
- GHSA-w2fm-25vw-vh7f.yml (github-poc)
- GHSA-w2fm-25vw-vh7f.yml (github-poc)
- GHSA-w2fm-25vw-vh7f.yml (github-poc)
- GHSA-w2fm-25vw-vh7f.yml (github-poc)
- GHSA-w2fm-25vw-vh7f.yml (github-poc)
- GHSA-w2fm-25vw-vh7f.yml (github-poc)
…and 161 more exploits
Timeline
- Feb 4, 2026 CVE Published
- Feb 5, 2026 EPSS Score
- Feb 5, 2026 Security Advisory
- Feb 7, 2026 EPSS Score
- Feb 9, 2026 CVE Updated
- Feb 9, 2026 EPSS Score
- Feb 12, 2026 EPSS Score
- Feb 14, 2026 EPSS Score
- Feb 16, 2026 EPSS Score
- Feb 18, 2026 EPSS Score
- Feb 20, 2026 EPSS Score
- Feb 23, 2026 EPSS Score
References
- https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-345p-7cg4-v4c7 url
- https://github.com/modelcontextprotocol/typescript-sdk/issues/204 url
- https://github.com/modelcontextprotocol/typescript-sdk/issues/243 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-25536 advisory
- https://github.com/modelcontextprotocol/typescript-sdk package