What is GHSA-6wjq-5f4c-p8f7?

GHSA-6wjq-5f4c-p8f7 is a security advisory published by GitHub Security Advisories with Medium severity. Zscaler MCP Server versions 0.7.0 and 0.7.1 has an issue where HMAC confirmation tokens were not...

Which CVE IDs does GHSA-6wjq-5f4c-p8f7 cover?

GHSA-6wjq-5f4c-p8f7 covers the following CVE IDs: CVE-2026-59563. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6wjq-5f4c-p8f7?

GHSA-6wjq-5f4c-p8f7 has a CVSS v3 base score of 4.6, published by GitHub Security Advisories.

GHSA-6wjq-5f4c-p8f7MediumCVSS 4.6

Zscaler MCP Server versions 0.7.0 and 0.7.1 has an issue where HMAC confirmation tokens were not...

Vendor

GitHub Security Advisories

Published

September 28, 2026

Last Modified

September 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-59563 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-59563
https://github.com/zscaler/zscaler-mcp-server/pull/41
https://github.com/advisories/GHSA-6wjq-5f4c-p8f7