MEDIUM 4.6 NVD

CVE-2026-59563

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

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.

References

https://github.com/zscaler/zscaler-mcp-server/pull/41

Published: 2026-09-28 · Source: NVD · Feed updated: 2026-09-28

This medium severity vulnerability with a CVSS score of 4.6 was published on 2026-09-28 via NVD.

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