[ CVE-2026-59563 · Published 28 Sep 2026 ]
Vulnerability in zscaler-mcp-server
CVSS 4.6
EPSS <1%No fix listed yet
[ Description ]Official description
Zscaler MCP Server versions 0.7.0 and 0.7.1 has an issue where HMAC confirmation tokens were not bound to the target resource identifier, allowing an MCP client or agent to replay a token generated for one resource to affect another resource of the same type. This issue is fixed in version 0.7.2.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.