CVE-2026-59563
HMAC Confirmation Token Unbinding in zscaler-mcp-server
CVSS score
4.6
EPSS probability
%0.1
Risk score
0.0
Published
20 d ago
Vulnerability Timeline (Change History)
CVE-2026-59563 historical changes made to the vulnerability by NVD, CISA and MITRE:
| Date | Actor / Source | Action / Description | Type | Previous value | New value |
|---|---|---|---|---|---|
| 28.09.2026 | nvd@nist.gov | Initial Analysis & CVSS Vector Assignment | CVSS V3.1 | — | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L |
| 28.09.2026 | CISA Coordinator | SSVC Risk Re-assessment | SSVC / KEV | exploitation: none | exploitation: none |
| 28.09.2026 | MITRE / NVD | New CVE Record Received & Ingested | CVE Created | — | CVE-2026-59563 |
Similar Vulnerabilities
9.1
CVE-2026-59568Remote Code Execution
Patch status unknownEPSS %1
9.1
CVE-2026-59564Authentication bypass between ZCC and client connector portal
Patch status unknownEPSS %1
8.8
CVE-2026-59565Local and kernel denial-of-service
Patch status unknownEPSS %0
8.1
CVE-2026-25687ZCC race condition in ZPA tunnel handler
Patch status unknownEPSS %0
8.4
CVE-2026-59566Local denial-of-service
Patch status unknownEPSS %0
8.1
CVE-2026-59569Android ZCC VPN API method privilege escalation
Patch status unknownEPSS %0
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-59563"