HKUDS nanobot up to 0.2.x WebFetchTool _validate_url server-side request forgery
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.8 | $0-$5k | 0.43 |
Summary
A vulnerability described as problematic has been identified in HKUDS nanobot up to 0.2.x. Affected by this issue is the function _validate_url of the component WebFetchTool. Executing a manipulation can lead to server-side request forgery.
The identification of this vulnerability is CVE-2026-92576. The attack may be launched remotely. There is no exploit available.
Upgrading the affected component is recommended.
Details
A vulnerability has been found in HKUDS nanobot up to 0.2.x and classified as problematic. This vulnerability affects the function _validate_url of the component WebFetchTool. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality. CVE summarizes:
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.
The advisory is shared for download at github.com. This vulnerability was named CVE-2026-92576 since 09/16/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
Upgrading to version 0.3.0 eliminates this vulnerability.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
Website
- Product: https://github.com/HKUDS/nanobot/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.8
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 8.6
CNA Vector (VulnCheck): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Server-side request forgeryCWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: nanobot 0.3.0
Timeline
09/16/2026 CVE reserved09/16/2026 VulDB entry created
09/17/2026 Advisory disclosed
09/17/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2026-92576 (🔒)
GCVE (CVE): GCVE-0-2026-92576
GCVE (VulDB): GCVE-100-406264
Entry
Created: 09/17/2026 00:18Changes: 09/17/2026 00:18 (77)
Complete: 🔍
Cache ID: 216::103
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