Permissive Cross-domain Policy with Untrusted Domains Affecting hono package, versions <4.12.25
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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- published17 Jun 2026
- disclosed16 Jun 2026
- creditfg0x0
Introduced: 16 Jun 2026
NewCVE-2026-54290 (opens in a new tab)How to fix?
Upgrade hono to version 4.12.25 or higher.
Overview
hono is an Ultrafast web framework for the Edges
Affected versions of this package are vulnerable to Permissive Cross-domain Policy with Untrusted Domains in the CORS middleware. An attacker can access sensitive information and perform unauthorized actions by sending cross-origin requests with credentials from arbitrary origins. This is only exploitable if the application enables credentials and leaves the origin unset or set to the wildcard.