CVE-2026-92576

HIGHPre-NVD 8.68.6—
EchelonGraph scoreHIGH confidence

Score 8.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-17. a secondary CVSS source baseline 8.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
8.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.6Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.6
EG Score
8.6(high)
EG Risk
70(Attend)
EG Risk 70/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity86% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
34%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 17, 2026

Advisory Details (2)

Auto-updated Sep 16, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

HKUDS nanobot before 0.3.0 Server-Side Request Forgery via WebFetchTool | Advisories | VulnCheck

https://www.vulncheck.com/advisories/hkuds-nanobot-before-0.3.0-server-side-request-forgery-via-webfetchtool
github Patch Available🟡 PoC Available

ZDI-CAN-29369: Hong Kong University Data Intelligence Lab nanobot WebFetch Server-Side Request Forgery Information Disclosure Vulnerability · Advisory · HKUDS/nanobot · GitHub

https://github.com/HKUDS/nanobot/security/advisories/GHSA-vc5v-6vwm-wf9m

Vendor Advisories for CVE-2026-92576(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 23× in last 7d / 23× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-21 02:44 UTCEG score recompute
  2. 2026-09-21 02:44 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 14:42 UTCGHSA enrichment
  5. 2026-09-20 02:34 UTCEG score recompute
  6. 2026-09-20 02:34 UTCGHSA enrichment
  7. 2026-09-19 14:32 UTCGHSA enrichment
  8. 2026-09-19 02:30 UTCEG score recompute
  9. 2026-09-19 02:30 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 14:28 UTCGHSA enrichment
  12. 2026-09-18 02:26 UTCEG score recompute
  13. 2026-09-18 02:26 UTCGHSA enrichment
  14. 2026-09-17 19:32 UTCEPSS rescore
  15. 2026-09-17 14:24 UTCEG score recompute
  16. 2026-09-17 14:24 UTCGHSA enrichment
  17. 2026-09-17 13:42 UTCEG score recompute
  18. 2026-09-17 13:41 UTCGHSA enrichment
  19. 2026-09-17 10:28 UTCEG score recompute
  20. 2026-09-17 10:28 UTCGHSA enrichment
  21. 2026-09-16 22:26 UTCEG score recompute
  22. 2026-09-16 21:54 UTCEG score recompute
  23. 2026-09-16 21:54 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-92576?
CVE-2026-92576 is a high vulnerability published on September 16, 2026. HKUDS nanobot before 0.3.0 contains a server-side request forgery vulnerability in the WebFetchTool component where the validateurl() function fails to block internal IP ranges and private addresses. Attackers can send messages instructing the bot to fetch cloud metadata endpoints, localhost…
When was CVE-2026-92576 disclosed?
CVE-2026-92576 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-92576 actively exploited?
CVE-2026-92576 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 65.8% of all scored CVEs.
What is the CVSS score of CVE-2026-92576?
CVE-2026-92576 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2026-92576?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92576, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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