CVE-2026-59563 (GCVE-0-2026-59563)
Vulnerability from cvelistv5
Published
2026-09-28 12:54
Modified
2026-09-28 13:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-305 - Authentication bypass by primary weakness
Summary
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
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Zscaler | zscaler-mcp-server |
Version: 0.7.0 < 0.7.2 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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