CVE Explorer
CVE-2026-54288
Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, the Body Limit Middleware trusts the request's Content-Length header to decide whether a body is within the limit. On AWS Lambda (API Gateway v1/v2, ALB, VPC Lattice, and Lambda@Edge) the body is delivered fully buffered and the adapter builds the request with the client-declared Content-Length, which need not match the actual payload. A client can declare a tiny Content-Length while sending a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"hono","vendor":"honojs","versions":[{"status":"affected","version":"< 4.12.25"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9418490a67a8d8e2bdd96a832111fd48bc4b817150cbb052eae48339eb484caf · sha256:e124d8da06348084… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9418490a67a8d8e2bdd96a832111fd48bc4b817150cbb052eae48339eb484caf · sha256:e124d8da06348084… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:9418490a67a8d8e2bdd96a832111fd48bc4b817150cbb052eae48339eb484caf · sha256:e124d8da06348084… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/honojs/hono/security/advisories/GHSA-rv63-4mwf-qqc2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/honojs/hono/security/advisories/GHSA-rv63-4mwf-qqc2"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9418490a67a8d8e2bdd96a832111fd48bc4b817150cbb052eae48339eb484caf · sha256:e124d8da06348084… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.