CVE-2026-59801

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-14. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

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

9Router through version 0.4.41 contains an unauthenticated access vulnerability that allows remote attackers to interact with provider management API endpoints by sending requests without any credentials due to missing authentication middleware in the Next.js API routes under src/app/api/providers/*. Attackers can enumerate, create, modify, or delete provider connections to expose partial credentials, OAuth tokens, and API keys, redirect AI traffic to attacker-controlled servers, or cause complete denial of service by deleting all provider connections.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
—
EPSS
77.6%
KEV
Not listed

Published

July 13, 2026

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jul 16, 2026
Patch available. Sources: github.
github Patch Available

Unauthenticated CRUD on /api/providers and Full API Key Leak via /api/usage/stats · Advisory · decolua/9router · GitHub

https://github.com/decolua/9router/security/advisories/GHSA-vjc7-jrh9-9j86
generic

9Router 0.4.41 - Unauthenticated API Exposure via /api/providers | Advisories | VulnCheck

https://www.vulncheck.com/advisories/9router-unauthenticated-api-exposure-via-api-providers

Vendor Advisories for CVE-2026-59801(1)

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

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
9router———

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 18× in last 7d / 37× 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. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-22 14:08 UTCEPSS rescore
  3. 2026-07-21 15:25 UTCEPSS rescore
  4. 2026-07-21 15:25 UTCEPSS rescore
  5. 2026-07-20 17:08 UTCEPSS rescore
  6. 2026-07-19 14:31 UTCEPSS rescore
  7. 2026-07-19 02:29 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
  9. 2026-07-17 05:28 UTCGHSA enrichment
  10. 2026-07-17 01:51 UTCGHSA enrichment
  11. 2026-07-16 22:13 UTCGHSA enrichment
  12. 2026-07-16 18:35 UTCGHSA enrichment
  13. 2026-07-16 17:03 UTCEPSS rescore
  14. 2026-07-16 14:57 UTCGHSA enrichment
  15. 2026-07-16 11:20 UTCGHSA enrichment
  16. 2026-07-16 07:43 UTCGHSA enrichment
  17. 2026-07-16 04:06 UTCGHSA enrichment
  18. 2026-07-16 00:29 UTCGHSA enrichment
  19. 2026-07-15 20:52 UTCGHSA enrichment
  20. 2026-07-15 17:14 UTCGHSA enrichment
  21. 2026-07-15 16:57 UTCEPSS rescore
  22. 2026-07-15 16:57 UTCEPSS rescore
  23. 2026-07-15 13:34 UTCGHSA enrichment
  24. 2026-07-15 09:56 UTCGHSA enrichment
  25. 2026-07-15 06:18 UTCGHSA enrichment
Show 12 more
  1. 2026-07-15 02:42 UTCGHSA enrichment
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-15 02:00 UTCEPSS rescore
  4. 2026-07-14 23:04 UTCGHSA enrichment
  5. 2026-07-14 19:27 UTCGHSA enrichment
  6. 2026-07-14 15:50 UTCGHSA enrichment
  7. 2026-07-14 12:13 UTCGHSA enrichment
  8. 2026-07-14 08:36 UTCGHSA enrichment
  9. 2026-07-14 04:58 UTCGHSA enrichment
  10. 2026-07-14 01:21 UTCGHSA enrichment
  11. 2026-07-13 21:44 UTCEG score recompute
  12. 2026-07-13 21:42 UTCMITRE cvelistV5first tracked

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2026/CVE-2026-59801.yaml
    First seen Jan 1, 2026

    9Router - Unauthenticated LLM Provider API Exposure

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-59801?
CVE-2026-59801 is a critical vulnerability published on July 13, 2026. 9Router through version 0.4.41 contains an unauthenticated access vulnerability that allows remote attackers to interact with provider management API endpoints by sending requests without any credentials due to missing authentication middleware in the Next.js API routes under…
When was CVE-2026-59801 disclosed?
CVE-2026-59801 was first published in the National Vulnerability Database on July 13, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59801 actively exploited?
CVE-2026-59801 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-59801?
CVE-2026-59801 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-59801?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59801, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-59801

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