{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56764", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-22T21:55:17.942Z", "datePublished": "2026-07-15T11:25:32.814Z", "dateUpdated": "2026-07-15T11:25:32.814Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-15T11:25:32.814Z"}, "datePublic": "2026-02-18T00:00:00.000Z", "title": "Hono - Timing Attack in basicAuth and bearerAuth Middleware", "descriptions": [{"lang": "en", "value": "Hono before 4.11.10 contains a timing attack vulnerability in the basicAuth and bearerAuth middlewares due to non-constant-time string comparison in the timingSafeEqual function. Attackers can exploit early termination of string equality checks to infer valid credentials through precise timing measurements."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Observable Timing Discrepancy", "cweId": "CWE-208", "type": "CWE"}]}], "affected": [{"vendor": "Hono", "product": "Hono", "defaultStatus": "unaffected", "packageURL": "pkg:npm/hono", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "4.11.10"}, {"version": "4.11.10", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*", "versionEndExcluding": "4.11.10"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW"}}], "references": [{"url": "https://github.com/honojs/hono/security/advisories/GHSA-gq3j-xvxp-8hrf", "name": "GitHub Security Advisory (GHSA-gq3j-xvxp-8hrf)", "tags": ["vendor-advisory"]}, {"name": "VulnCheck Advisory: Hono - Timing Attack in basicAuth and bearerAuth Middleware", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/hono-timing-attack-in-basicauth-and-bearerauth-middleware"}], "credits": [{"lang": "en", "value": "Exagone313", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{}

{}

{}