MCP Go SDK Vulnerable to Improper Handling of Case Sensitivity

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-27896 · CVE overview and exploitation status

EUVD-2026-8792

GHSA-wvj2-96wp-fq3f

GO-2026-4569

cve-program · CVE-2026-27896

• https://github.com/modelcontextprotocol/go-sdk/security/advisories/GHSA-wvj2-96wp-fq3f
• https://github.com/modelcontextprotocol/go-sdk/commit/7b8d81c264074404abdf5aa16e2cf0c2d9c64cc0

euvd · EUVD-2026-8792

• https://github.com/modelcontextprotocol/go-sdk/security/advisories/GHSA-wvj2-96wp-fq3f
• https://github.com/modelcontextprotocol/go-sdk/commit/7b8d81c264074404abdf5aa16e2cf0c2d9c64cc0

nvd · CVE-2026-27896

• https://github.com/modelcontextprotocol/go-sdk/commit/7b8d81c264074404abdf5aa16e2cf0c2d9c64cc0
• https://github.com/modelcontextprotocol/go-sdk/security/advisories/GHSA-wvj2-96wp-fq3f
• https://access.redhat.com/security/cve/CVE-2026-27896
• https://bugzilla.redhat.com/show_bug.cgi?id=2442903
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27896.json

osv · GHSA-wvj2-96wp-fq3f

• https://github.com/modelcontextprotocol/go-sdk/security/advisories/GHSA-wvj2-96wp-fq3f
• https://nvd.nist.gov/vuln/detail/CVE-2026-27896
• https://github.com/modelcontextprotocol/go-sdk/commit/7b8d81c264074404abdf5aa16e2cf0c2d9c64cc0
• https://github.com/modelcontextprotocol/go-sdk

osv · GO-2026-4569

• https://github.com/modelcontextprotocol/go-sdk/security/advisories/GHSA-wvj2-96wp-fq3f
• https://nvd.nist.gov/vuln/detail/CVE-2026-27896
• https://github.com/modelcontextprotocol/go-sdk/commit/7b8d81c264074404abdf5aa16e2cf0c2d9c64cc0

No related changes are available here.