CVE-2026-88939

knowns through 0.33.0 exempts the project.set action from permission guard checks unconditionally, allowing read-only agent sessions to bypass restrictions. Attackers can invoke project.set to repoint the server at another project directory and obtain write access capabilities.

CVSS v3 8.3 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/permissions/guard.go#L104-L113
https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/permissions/registry.go#L51-L54
https://github.com/knowns-dev/knowns/security/advisories/GHSA-h73x-698r-qrvg
https://www.vulncheck.com/advisories/knowns-through-0.33.0-authorization-bypass-via-project-set-bootstrap-exemption
https://github.com/knowns-dev/knowns/security/advisories/GHSA-h73x-698r-qrvg

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-10 16:18

Updated : 2026-09-15 15:17

NVD link : CVE-2026-88939

Mitre link : CVE-2026-88939

CVE.ORG link : CVE-2026-88939

JSON object : View

Products Affected

No product.

CWE

CWE-863

Incorrect Authorization

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