How severe is CVE-2026-2293?

CVE-2026-2293 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-2293 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2293?

CVE-2026-2293 affects Nestjs Nest. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2293?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-2293 have an EU (EUVD) identifier?

Yes. CVE-2026-2293 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9034.

When was CVE-2026-2293 published?

CVE-2026-2293 was published on 2026-02-27 and last updated on 2026-06-30.

CVE-2026-2293

CVE-2026-2293 is a critical-severity vulnerability in Nestjs Nest with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.2
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9034
Weakness: CWE-863
Affected product: Nestjs Nest
Published: 2026-02-27
Last modified: 2026-06-30

Description

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.

Frequently asked questions

What is CVE-2026-2293?: 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.
How severe is CVE-2026-2293?: CVE-2026-2293 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-2293 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2293?: CVE-2026-2293 affects Nestjs Nest. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2293?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-2293 have an EU (EUVD) identifier?: Yes. CVE-2026-2293 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9034.
When was CVE-2026-2293 published?: CVE-2026-2293 was published on 2026-02-27 and last updated on 2026-06-30.

References

Affected products (1)

cpe:2.3:a:nestjs:nest:11.1.13:*:*:*:*:node.js:*:*

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