CVE-2026-90808

A vulnerability was determined in HKUDS nanobot up to 0.2.1. Impacted is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component ExecTool. This manipulation causes incomplete blacklist. It is possible to initiate the attack remotely. Patch name: af582246f141311d574551b7571a517bcc3df750. Applying a patch is the recommended action to fix this issue.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/HKUDS/nanobot/
https://github.com/HKUDS/nanobot/commit/af582246f141311d574551b7571a517bcc3df750
https://github.com/HKUDS/nanobot/issues/5305
https://github.com/HKUDS/nanobot/pull/5345
https://vuldb.com/cve/CVE-2026-90808
https://vuldb.com/submit/922849
https://vuldb.com/vuln/403310
https://vuldb.com/vuln/403310/cti
https://github.com/HKUDS/nanobot/issues/5305

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-14 19:18

Updated : 2026-09-14 20:56

NVD link : CVE-2026-90808

Mitre link : CVE-2026-90808

CVE.ORG link : CVE-2026-90808

JSON object : View

Products Affected

No product.

CWE

CWE-183

Permissive List of Allowed Inputs

CWE-184

Incomplete List of Disallowed Inputs

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