vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-90808

HKUDS nanobot ExecTool shell.py ExecTool._spawn incomplete blacklist

MEDIUM
6.3
CVSS Score
Published: September 14, 2026 at 06:00 PM UTC
Updated: September 14, 2026 at 09:14 PM UTC
2 products affected across 2 vendorsNanobotNanobot

Using nanobot by HKUDS?

Get instant alerts when new vulnerabilities affect nanobot - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM6.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403310
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403310/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90808
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/922849
Issue Tracking
Source: cverecord
https://github.com/HKUDS/nanobot/issues/5305
Issue TrackingPatch
Source: cverecord
https://github.com/HKUDS/nanobot/pull/5345
Patch
Source: cverecord
https://github.com/HKUDS/nanobot/commit/af582246f141311d574551b7571a517bcc3df750
Product
Source: cverecord
https://github.com/HKUDS/nanobot/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-184CWE-183

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card