CVE-2026-49352

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.6%, top 54% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

9Router is an AI router & token saver. From 0.2.21 until 0.4.44, 9Router used the hardcoded fallback JWT secret 9router-default-secret-change-me in src/app/api/auth/login/route.js, src/middleware.js, and later src/lib/auth/dashboardSession.js, allowing attackers to forge an auth_token cookie when JWT_SECRET was unset. This issue is fixed in version 0.4.44

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: 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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
46%
KEV
Not listed

Published

July 2, 2026

Last Modified

July 16, 2026

Advisory Details (3)

Auto-updated Aug 22, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github_release, github.
github Patch Available🟡 PoC Available

Hardcoded Default fallback JWT Secret Allows Authentication Bypass · Advisory · decolua/9router · GitHub

https://github.com/decolua/9router/security/advisories/GHSA-jphh-m39h-6gwx
github_release Patch Available

feat: Add Blackbox & Xiaomi providers, model select UX version 0.4.44

Patch available: decolua/9router v0.4.44

https://github.com/decolua/9router/releases/tag/v0.4.44
github_commit Patch Available

commit fe3ce25ae3cd (decolua/9router)

Patch available: decolua/9router v0.4.44 (contains commit fe3ce25ae3cd)

https://github.com/decolua/9router/commit/fe3ce25ae3cda48c0702c2d452e17f6ec214009d

Vendor Advisories for CVE-2026-49352(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—0.4.45—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 55× 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. 2026-08-27 22:14 UTCEG score recompute
  2. 2026-08-27 14:25 UTCEPSS rescore
  3. 2026-08-26 14:46 UTCEPSS rescore
  4. 2026-08-25 13:49 UTCEPSS rescore
  5. 2026-08-24 14:20 UTCEG score recompute
  6. 2026-08-24 10:15 UTCEG score recompute
  7. 2026-08-23 03:32 UTCEG score recompute
  8. 2026-08-23 00:19 UTCEPSS rescore
  9. 2026-08-22 01:23 UTCEG score recompute
  10. 2026-08-21 23:49 UTCEPSS rescore
  11. 2026-08-21 00:30 UTCEG score recompute
  12. 2026-08-20 22:55 UTCEPSS rescore
  13. 2026-08-20 04:01 UTCEG score recompute
  14. 2026-08-19 17:04 UTCEPSS rescore
  15. 2026-08-18 20:54 UTCEG score recompute
  16. 2026-08-18 13:48 UTCEPSS rescore
  17. 2026-08-17 14:16 UTCEG score recompute
  18. 2026-08-17 13:47 UTCEPSS rescore
  19. 2026-08-16 17:00 UTCEG score recompute
  20. 2026-08-16 14:56 UTCEPSS rescore
  21. 2026-08-16 04:48 UTCEG score recompute
  22. 2026-08-16 02:14 UTCEPSS rescore
  23. 2026-08-15 04:24 UTCEG score recompute
  24. 2026-08-15 01:30 UTCEPSS rescore
  25. 2026-08-13 23:56 UTCEG score recompute
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  1. 2026-08-13 22:00 UTCEPSS rescore
  2. 2026-08-12 15:04 UTCEG score recompute
  3. 2026-08-12 13:51 UTCEPSS rescore
  4. 2026-08-11 14:35 UTCEG score recompute
  5. 2026-08-11 02:21 UTCEG score recompute
  6. 2026-08-11 00:00 UTCEPSS rescore
  7. 2026-08-09 17:47 UTCEG score recompute
  8. 2026-08-09 13:46 UTCEPSS rescore
  9. 2026-08-08 17:25 UTCEG score recompute
  10. 2026-08-08 16:37 UTCEPSS rescore
  11. 2026-08-07 17:02 UTCEG score recompute
  12. 2026-08-06 16:39 UTCEG score recompute
  13. 2026-08-06 13:47 UTCEPSS rescore
  14. 2026-08-05 20:13 UTCEG score recompute
  15. 2026-08-05 19:17 UTCEPSS rescore
  16. 2026-08-04 18:27 UTCEG score recompute
  17. 2026-08-04 15:10 UTCEPSS rescore
  18. 2026-08-04 14:20 UTCEG score recompute
  19. 2026-08-04 10:39 UTCEPSS rescore
  20. 2026-08-03 13:01 UTCEG score recompute
  21. 2026-08-03 10:36 UTCEPSS rescore
  22. 2026-08-02 04:45 UTCEG score recompute
  23. 2026-08-02 02:27 UTCEPSS rescore
  24. 2026-08-01 04:21 UTCEG score recompute
  25. 2026-08-01 04:16 UTCEPSS rescore
  26. 2026-07-30 19:12 UTCEG score recompute
  27. 2026-07-30 16:28 UTCEPSS rescore
  28. 2026-07-30 10:05 UTCEG score recompute
  29. 2026-07-30 01:50 UTCEG score recompute
  30. 2026-07-30 01:30 UTCEPSS rescore
  31. 2026-07-28 17:34 UTCEG score recompute
  32. 2026-07-28 15:37 UTCEPSS rescore
  33. 2026-07-27 15:52 UTCEG score recompute
  34. 2026-07-26 17:15 UTCEG score recompute
  35. 2026-07-26 14:54 UTCEPSS rescore
  36. 2026-07-26 13:02 UTCEG score recompute
  37. 2026-07-25 14:18 UTCEPSS rescore
  38. 2026-07-24 14:18 UTCEPSS rescore
  39. 2026-07-23 14:18 UTCEPSS rescore
  40. 2026-07-23 03:18 UTCEG score recompute
  41. 2026-07-22 14:08 UTCEPSS rescore
  42. 2026-07-21 15:25 UTCEPSS rescore
  43. 2026-07-20 17:08 UTCEPSS rescore
  44. 2026-07-19 14:31 UTCEPSS rescore
  45. 2026-07-19 14:31 UTCEPSS rescore
  46. 2026-07-19 02:29 UTCEPSS rescore
  47. 2026-07-18 10:04 UTCEPSS rescore
  48. 2026-07-16 17:03 UTCEPSS rescore
  49. 2026-07-02 21:06 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-49352?
CVE-2026-49352 is a critical vulnerability published on July 2, 2026. 9Router is an AI router & token saver. From 0.2.21 until 0.4.44, 9Router used the hardcoded fallback JWT secret 9router-default-secret-change-me in src/app/api/auth/login/route.js, src/middleware.js, and later src/lib/auth/dashboardSession.js, allowing attackers to forge an authtoken cookie when…
When was CVE-2026-49352 disclosed?
CVE-2026-49352 was first published in the National Vulnerability Database on July 2, 2026, with the most recent update on July 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49352 actively exploited?
CVE-2026-49352 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 53.8% of all scored CVEs.
What is the CVSS score of CVE-2026-49352?
CVE-2026-49352 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-49352?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49352, 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-2026-49352

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