CVE-2026-59563EPSS p2.3%

CVE-2026-59563CVE-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.

Scoring

CVSS 4.6 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
EPSS0.13% probability of exploitation · percentile 2.3% · 2026-10-05T12:00:23Z
Last modified2026-09-28
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.