{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54147", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-11T21:15:33.871Z", "datePublished": "2026-09-18T16:10:40.692Z", "dateUpdated": "2026-09-18T17:28:07.389Z"}, "containers": {"cna": {"title": "http4k: `DigestAuthProvider.verify` ignored configured algorithm and did not bind to request URI", "problemTypes": [{"descriptions": [{"cweId": "CWE-327", "lang": "en", "description": "CWE-327: Use of a Broken or Risky Cryptographic Algorithm", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/http4k/http4k/security/advisories/GHSA-vxxm-wwqh-mh47", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/http4k/http4k/security/advisories/GHSA-vxxm-wwqh-mh47"}, {"name": "https://github.com/http4k/http4k/commit/65d23d99fc5afbe34f29d8f61d0a003fbebb381c", "tags": ["x_refsource_MISC"], "url": "https://github.com/http4k/http4k/commit/65d23d99fc5afbe34f29d8f61d0a003fbebb381c"}, {"name": "https://github.com/http4k/http4k/releases/tag/6.50.0.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/http4k/http4k/releases/tag/6.50.0.0"}], "affected": [{"vendor": "http4k", "product": "http4k", "versions": [{"version": "< 4.51.0.0", "status": "affected"}, {"version": ">= 5.0.0.0, < 5.42.0.0", "status": "affected"}, {"version": ">= 6.0.0.0, < 6.50.0.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-18T16:10:40.692Z"}, "descriptions": [{"lang": "en", "value": "http4k is a functional toolkit for Kotlin HTTP applications. Prior to 4.51.0.0, 5.42.0.0, and 6.50.0.0, DigestAuthProvider.verify in http4k-security-digest ignores its configured algorithm parameter and verifies every Digest response with hardcoded MD5. Deployments configured for SHA-256 therefore receive weaker MD5-based verification, exposing Digest authentication to collision-related attack paths that depend on the hash function's collision resistance. This issue is fixed in versions 4.51.0.0, 5.42.0.0, and 6.50.0.0."}], "source": {"advisory": "GHSA-vxxm-wwqh-mh47", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-18T17:27:37.221207Z", "id": "CVE-2026-54147", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-18T17:28:07.389Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "http4k", "vendor": "http4k", "versions": [{"status": "affected", "version": "< 4.51.0.0"}, {"status": "affected", "version": ">= 5.0.0.0, < 5.42.0.0"}, {"status": "affected", "version": ">= 6.0.0.0, < 6.50.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "http4k is a functional toolkit for Kotlin HTTP applications. Prior to 4.51.0.0, 5.42.0.0, and 6.50.0.0, DigestAuthProvider.verify in http4k-security-digest ignores its configured algorithm parameter and verifies every Digest response with hardcoded MD5. Deployments configured for SHA-256 therefore receive weaker MD5-based verification, exposing Digest authentication to collision-related attack paths that depend on the hash function's collision resistance. This issue is fixed in versions 4.51.0.0, 5.42.0.0, and 6.50.0.0."}], "id": "CVE-2026-54147", "lastModified": "2026-09-18T18:17:07.110", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54147", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-18T17:27:37.221207Z", "version": "2.0.3"}}]}, "published": "2026-09-18T16:17:06.677", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/http4k/http4k/commit/65d23d99fc5afbe34f29d8f61d0a003fbebb381c"}, {"source": "security-advisories@github.com", "url": "https://github.com/http4k/http4k/releases/tag/6.50.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/http4k/http4k/security/advisories/GHSA-vxxm-wwqh-mh47"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-327"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{}