VDB
CVE-2026-111767
CVE-2026-111767
PUBLISHED
CVSS 8.6 HIGH
Reported by GitHub_M · Published October 20, 2026
MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. From version 1.24.0 to before version 1.32.0, the experimental tasks feature (taskStore) did not check which session created a task. Clients sharing one InMemoryTaskStore could list, read and cancel each other's tasks. This issue has been patched in version 1.32.0.
Risk Scores
CVSS 3.1
8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| modelcontextprotocol | typescript-sdk | >= 1.24.0, < 1.32.0 |
| modelcontextprotocol | typescript-sdk | 1.24.0 |
| chainguard | commercial-gitlab-rails-ee-fips-19.1 | 0 |
| chainguard | kibana-9.3 | 0 |
| chainguard | wazuh-dashboard | 0 |
| modelcontextprotocol | typescript-sdk | |
| chainguard | wazuh-dashboard-fips | 0 |
| chainguard | opensearch-dashboards-2 | 0 |
| chainguard | opensearch-dashboards-2-fips | 0 |
| chainguard | kibana-9.2 | 0 |
| modelcontextprotocol | sdk | 1.24.0 |
Timeline
- Oct 20, 2026 CVE Published
- Oct 20, 2026 Coalition ESS Score
- Oct 20, 2026 CVE Updated
- Oct 21, 2026 EPSS Score
- Oct 23, 2026 EPSS Score
- Oct 25, 2026 EPSS Score
- Oct 29, 2026 EPSS Score
- Oct 30, 2026 Security Advisory
References
- https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-22jm-h49p-29qw x_refsource_CONFIRM
- https://github.com/modelcontextprotocol/typescript-sdk/pull/2925 x_refsource_MISC
- https://github.com/modelcontextprotocol/typescript-sdk/commit/727075b5bbeb77fbea22041b36b72a73042160fa x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-111767 advisory
- https://github.com/advisories/GHSA-22jm-h49p-29qw advisory