CVE Explorer

CVE-2026-47674

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.21, the ip-restriction middleware (hono/ip-restriction) compares incoming IP addresses against configured deny and allow rules using string equality after partial normalization. Non-canonical IPv6 representations of an address already listed in a static rule — such as compressed forms, explicit-zero forms, or hex-notation IPv4-mapped addresses — do not match the normalized rule entry, causing the

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:41e26ddd02f7f3f3d7a42e8a05953953d3ada211e855f3a47e182d8929d464d6

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-1289","description":"CWE-1289: Improper Validation of Unsafe Equivalence in Input","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:269d69e6dec464a90ae10c3cc7c8c204e98d00a3d57573cf43ec11b3ef8d82ea · sha256:8bb7854525b08052… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-185","description":"CWE-185: Incorrect Regular Expression","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:269d69e6dec464a90ae10c3cc7c8c204e98d00a3d57573cf43ec11b3ef8d82ea · sha256:8bb7854525b08052… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion

{"product":"hono","vendor":"honojs","versions":[{"status":"affected","version":"< 4.12.21"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:269d69e6dec464a90ae10c3cc7c8c204e98d00a3d57573cf43ec11b3ef8d82ea · sha256:8bb7854525b08052… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:269d69e6dec464a90ae10c3cc7c8c204e98d00a3d57573cf43ec11b3ef8d82ea · sha256:8bb7854525b08052… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions

{"cweId":"CWE-1289","description":"CWE-1289: Improper Validation of Unsafe Equivalence in Input","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:269d69e6dec464a90ae10c3cc7c8c204e98d00a3d57573cf43ec11b3ef8d82ea · sha256:8bb7854525b08052… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-185","description":"CWE-185: Incorrect Regular Expression","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:269d69e6dec464a90ae10c3cc7c8c204e98d00a3d57573cf43ec11b3ef8d82ea · sha256:8bb7854525b08052… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/honojs/hono/security/advisories/GHSA-xrhx-7g5j-rcj5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/honojs/hono/security/advisories/GHSA-xrhx-7g5j-rcj5"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:269d69e6dec464a90ae10c3cc7c8c204e98d00a3d57573cf43ec11b3ef8d82ea · sha256:8bb7854525b08052… · /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.

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