CVE-2026-92576CWE-918ssrf

CVE-2026-92576

High · published September 17, 2026

CVSS v3.1
8.6
EPSS
0%
Percentile
37.7
In the wild
Unconfirmed
What it is

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 record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS v4.0
9.2 · 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
EPSS
0.00445 · 37.7th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-09-17T02:18Z
References (3)
https://github.com/HKUDS/nanobot/security/advisories/GHSA-vc5v-6vwm-wf9m · [email protected]https://www.vulncheck.com/advisories/hkuds-nanobot-before-0.3.0-server-side-request-forgery-via-webfetchtool · [email protected]https://github.com/HKUDS/nanobot/security/advisories/GHSA-vc5v-6vwm-wf9m · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 18 SEP 04:02Z
    EPSS moved — → 0%
    epss
  • 16 SEP 21:46Z
    HKUDS nanobot before 0.3.0 Server-Side Request Forgery via WebFetchTool
    cvelistv5