CVE-2026-2293

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 51% 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, nvd
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.

A NestJS application using @nestjs/platform-fastify can allow bypass of authentication/authorization middleware when Fastify path-normalization options are enabled.

This issue affects nest.Js: 11.1.13.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: Track

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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
50%
KEV
Not listed

Published

February 27, 2026

Last Modified

July 15, 2026

Advisory Details (6)

Auto-updated Sep 12, 2026
Patch available. Sources: github_release, redhat.
redhat
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2293.json
redhat

2443367 – (CVE-2026-2293) CVE-2026-2293 nestjs: NestJS: Authentication bypass via Fastify path-normalization

https://bugzilla.redhat.com/show_bug.cgi?id=2443367
redhat Patch Available

CVE-2026-2293 - Red Hat Customer Portal

Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a

https://access.redhat.com/security/cve/CVE-2026-2293
github_release Patch Available

Release v11.1.14 (nestjs/nest)

Patch available: nestjs/nest v11.1.14

https://github.com/nestjs/nest/releases/tag/v11.1.14
generic

GitHub - nestjs/nest: A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀 · GitHub

https://github.com/nestjs/nest/
generic

NestJS 11.1.13 - Lack of data validation allowing authentication/authorization bypass | Fluid Attacks

https://fluidattacks.com/advisories/neton

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
@nestjs/platform-fastify—11.1.14—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 30× 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.

Showing the most recent 100 of 183 total refreshes for this CVE.

  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-17 19:30 UTCEPSS rescore
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  19. 2026-09-01 00:34 UTCOSV refresh
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  1. 2026-08-24 14:17 UTCEPSS rescore
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  9. 2026-08-16 14:56 UTCEPSS rescore
  10. 2026-08-16 02:14 UTCEPSS rescore
  11. 2026-08-15 01:30 UTCEPSS rescore
  12. 2026-08-14 08:49 UTCEG score recompute
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  15. 2026-08-12 13:50 UTCEPSS rescore
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  18. 2026-08-11 06:09 UTCEG score recompute
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  20. 2026-08-09 17:41 UTCEG score recompute
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  22. 2026-08-09 08:27 UTCEG score recompute
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  26. 2026-08-06 02:54 UTCEG score recompute
  27. 2026-08-05 19:17 UTCEPSS rescore
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  42. 2026-07-23 03:06 UTCEG score recompute
  43. 2026-07-22 14:08 UTCEPSS rescore
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  45. 2026-07-21 15:24 UTCEPSS rescore
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  49. 2026-07-19 14:31 UTCEPSS rescore
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  51. 2026-07-19 02:29 UTCEPSS rescore
  52. 2026-07-18 10:04 UTCEPSS rescore
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  54. 2026-07-17 18:29 UTCOSV refresh
  55. 2026-07-16 17:03 UTCEPSS rescore
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  57. 2026-07-15 16:57 UTCEPSS rescore
  58. 2026-07-15 16:57 UTCEPSS rescore
  59. 2026-07-15 02:22 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  60. 2026-07-15 02:06 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  61. 2026-07-15 02:00 UTCEPSS rescore
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  63. 2026-07-13 22:30 UTCEPSS rescore
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  67. 2026-07-11 08:27 UTCEPSS rescore
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  74. 2026-07-06 02:23 UTCEPSS rescore
  75. 2026-07-05 02:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-2293?
CVE-2026-2293 is a critical vulnerability published on February 27, 2026. A NestJS application using @nestjs/platform-fastify can allow bypass of authentication/authorization middleware when Fastify path-normalization options are enabled. This issue affects nest.Js: 11.1.13.
When was CVE-2026-2293 disclosed?
CVE-2026-2293 was first published in the National Vulnerability Database on February 27, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-2293 actively exploited?
CVE-2026-2293 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 49.7% of all scored CVEs.
What is the CVSS score of CVE-2026-2293?
CVE-2026-2293 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-2293?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-2293, 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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