CVE-2026-84428 Affecting trigger-dev package, versions <4.5.11-r1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-MINIMOSLATEST-TRIGGERDEV-20373336
- published2 Oct 2026
- disclosed4 Sept 2026
Introduced: 4 Sep 2026
CVE-2026-84428 (opens in a new tab)How to fix?
Upgrade Minimos:latest trigger-dev to version 4.5.11-r1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream trigger-dev package and not the trigger-dev package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
fastify versions before 5.12.2 implement the case-insensitive nature of HTTP header names by lowercasing names in a route's header schema before compiling it, but the transformation is incomplete: it lowercases the properties keys and the root-level required array, and does not lowercase the trigger and dependent names inside the JSON Schema Draft 7 dependencies keyword. Because Node stores request header names in lowercase, a canonical-case dependency such as requiring an authentication header whenever a privileged-mode header is present never matches, and the presence assertion is silently skipped. An unauthenticated remote client can therefore send the header that activates a privileged branch while omitting the header the dependency was meant to require, bypassing the conditional check. Users should upgrade to fastify 5.12.2 or later.
References
- https://www.cve.org/CVERecord?id=CVE-2026-84428
- https://github.com/advisories/GHSA-9q9j-q6p8-xq58
- https://osv.dev/vulnerability/MINI-chf9-9mrc-3rhf
- https://osv.dev/vulnerability/CVE-2026-84428
- https://cna.openjsf.org/security-advisories.html
- https://github.com/fastify/fastify/security/advisories/GHSA-9q9j-q6p8-xq58