HKUDS nanobot before 0.3.0 contains a server-side request forgery vulnerability in the WebFetchTool component where the _validate_url() function fails to block internal IP ranges and private addresses. Attackers can send messages instructing the bot to fetch cloud metadata endpoints, localhost services, and RFC 1918 addresses to extract IAM credentials and internal service data.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00401.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
HKUDS nanobot unaffected
Version Status Constraints
0 affected < 0.3.0
0.3.0 unaffected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Nanobot Subscribe
Nanobot Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/HKUDS/nanobot/security/advisories/GHSA-vc5v-6vwm-wf9m cve-icon cve-icon cve-icon
https://www.vulncheck.com/advisories/hkuds-nanobot-before-0.3.0-server-side-request-forgery-via-webfetchtool cve-icon cve-icon
History

Thu, 17 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 16 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Description HKUDS nanobot before 0.3.0 contains a server-side request forgery vulnerability in the WebFetchTool component where the _validate_url() function fails to block internal IP ranges and private addresses. Attackers can send messages instructing the bot to fetch cloud metadata endpoints, localhost services, and RFC 1918 addresses to extract IAM credentials and internal service data.
Title HKUDS nanobot before 0.3.0 Server-Side Request Forgery via WebFetchTool
First Time appeared Nanobot
Nanobot nanobot
Weaknesses CWE-918
CPEs cpe:2.3:a:nanobot:nanobot:*:*:*:*:*:*:*:*
Vendors & Products Nanobot
Nanobot nanobot
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'}

cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-17T13:32:06.815Z

Reserved: 2026-09-16T13:47:20.116Z

Link: CVE-2026-92576

cve-icon Vulnrichment

Updated: 2026-09-17T13:32:02.826Z

cve-icon NVD

Status : Deferred

Published: 2026-09-16T22:18:27.757

Modified: 2026-09-17T14:17:54.510

Link: CVE-2026-92576

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses