What’s Vulnerable › Vulnerabilities

CVE-2026-2293: NestJS 11.1.13 - Lack of data validation allowing authentication/authorization bypass

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-27 · updated 2026-07-15
• Weakness: CWE-863

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.

Affected products

• nestjs nest: 11.1.13

References

• https://fluidattacks.com/advisories/neton
• https://github.com/nestjs/nest/
• https://github.com/nestjs/nest/releases/tag/v11.1.14
• https://access.redhat.com/security/cve/CVE-2026-2293
• https://bugzilla.redhat.com/show_bug.cgi?id=2443367
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2293.json

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