CVE-2026-92576

critical · 9.2

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.

9.2

CVSS

0.4%

EPSS (exploit prob.)

34th

EPSS percentile

2026-09-16

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-918

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-92576