SSRF in Hkuds Nanobot
CVE-2026-92576
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (38.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/HKUDS/nanobot/security/advisories/GHSA-vc5v-6vwm-wf9m (vendor-advisory)
- www.vulncheck.com/advisories/hkuds-nanobot-before-0.3.0-server-side-request-for… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92576?
- CVE-2026-92576 is a high-severity vulnerability in Hkuds Nanobot, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2026-09-16.
- How severe is CVE-2026-92576?
- High severity. CVSS v3 base score is 8.6 out of 10.