CVE-2026-88755

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-88755
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-16 15:17:33 UTC
Updated2026-10-16 20:18:12 UTC
DescriptionZ.ai ZCode v3.11.2.6792 was discovered to automatically establish connections with MCP servers declared inside a repository's workspace configuration, possibly allowing attackers to execute arbitrary code via opening a crafted repository.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from ADP

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem Types: CWE-78 | CWE-200 | CWE-284 | CWE-863 | n/a | CWE-284 CWE-284 Improper Access Control | CWE-863 CWE-863 Incorrect Authorization | CWE-78 CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | CWE-200 CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
zcode.com [email protected] zcode.com
gist.github.com/lkloliver/aac8dcf8a53fc4b3c1b0a5dfbf36ef68 [email protected] gist.github.com
github.com/lkloliver/poc/tree/main/CVE-2026-88755 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
zai.com [email protected] zai.com
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