{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59642", "assignerOrgId": "91579145-5d7b-4cc5-b925-a0262ff19630", "state": "PUBLISHED", "assignerShortName": "bcorg", "dateReserved": "2026-07-06T06:58:29.263Z", "datePublished": "2026-08-03T00:53:28.335Z", "dateUpdated": "2026-08-03T13:27:19.619Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "91579145-5d7b-4cc5-b925-a0262ff19630", "shortName": "bcorg", "dateUpdated": "2026-08-03T05:03:43.251Z"}, "title": "CMS AuthenticatedData content not bound to MAC when authAttrs present", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-354", "description": "CWE-354 Improper Validation of Integrity Check Value", "type": "CWE"}]}], "affected": [{"vendor": "Legion of the Bouncy Castle Inc.", "product": "BC-JAVA", "platforms": ["all"], "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/", "packageName": "bcpkix", "repo": "https://github.com/bcgit/bc-java", "packageURL": "pkg:maven/org.bouncycastle/bcpkix-jdk18on", "modules": ["pkix"], "programFiles": ["RecipientInformation"], "versions": [{"status": "affected", "version": "0", "lessThan": "1.85", "versionType": "maven"}], "defaultStatus": "unaffected"}, {"vendor": "Legion of the Bouncy Castle Inc.", "product": "BC-LTS-JAVA", "platforms": ["all"], "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-lts/", "packageName": "bcpkix-lts8on", "repo": "https://github.com/bcgit/bc-lts-java", "packageURL": "pkg:maven/org.bouncycastle/bcpkix-lts8on", "modules": ["pkix"], "programFiles": ["RecipientInformation"], "versions": [{"status": "affected", "version": "2.73.0", "lessThan": "2.73.12", "versionType": "maven"}], "defaultStatus": "unaffected"}, {"vendor": "Legion of the Bouncy Castle Inc.", "product": "BC-FJA", "platforms": ["all"], "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/", "packageName": "bcpkix-fips", "packageURL": "pkg:maven/org.bouncycastle/bcpkix-fips", "versions": [{"status": "affected", "version": "1.0.0", "lessThan": "1.0.12", "versionType": "maven"}, {"status": "affected", "version": "2.0.0", "lessThan": "2.0.12", "versionType": "maven"}, {"status": "affected", "version": "2.1.0", "lessThan": "2.1.12", "versionType": "maven"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).</p>"}]}], "references": [{"url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059642", "tags": ["vendor-advisory"]}, {"url": "https://github.com/bcgit/bc-java/commit/2117f316a5a47308f3e569695a6592b16aac0dd7", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "AMBER", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber"}}], "credits": [{"lang": "en", "value": "Alex Gaynor in collaboration with Claude and Anthropic Research", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "bc release-notes template"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-03T13:27:10.316195Z", "id": "CVE-2026-59642", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-08-03T13:27:19.619Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-59642", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-03T13:27:10.316195Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-03T13:27:15.568Z"}}], "cna": {"title": "CMS AuthenticatedData content not bound to MAC when authAttrs present", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "reporter", "value": "Alex Gaynor in collaboration with Claude and Anthropic Research"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "AMBER", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/bcgit/bc-java", "vendor": "Legion of the Bouncy Castle Inc.", "modules": ["pkix"], "product": "BC-JAVA", "versions": [{"status": "affected", "version": "0", "lessThan": "1.85", "versionType": "maven"}], "platforms": ["all"], "packageURL": "pkg:maven/org.bouncycastle/bcpkix-jdk18on", "packageName": "bcpkix", "programFiles": ["RecipientInformation"], "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/", "defaultStatus": "unaffected"}, {"repo": "https://github.com/bcgit/bc-lts-java", "vendor": "Legion of the Bouncy Castle Inc.", "modules": ["pkix"], "product": "BC-LTS-JAVA", "versions": [{"status": "affected", "version": "2.73.0", "lessThan": "2.73.12", "versionType": "maven"}], "platforms": ["all"], "packageURL": "pkg:maven/org.bouncycastle/bcpkix-lts8on", "packageName": "bcpkix-lts8on", "programFiles": ["RecipientInformation"], "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-lts/", "defaultStatus": "unaffected"}, {"vendor": "Legion of the Bouncy Castle Inc.", "product": "BC-FJA", "versions": [{"status": "affected", "version": "1.0.0", "lessThan": "1.0.12", "versionType": "maven"}, {"status": "affected", "version": "2.0.0", "lessThan": "2.0.12", "versionType": "maven"}, {"status": "affected", "version": "2.1.0", "lessThan": "2.1.12", "versionType": "maven"}], "platforms": ["all"], "packageURL": "pkg:maven/org.bouncycastle/bcpkix-fips", "packageName": "bcpkix-fips", "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/", "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059642", "tags": ["vendor-advisory"]}, {"url": "https://github.com/bcgit/bc-java/commit/2117f316a5a47308f3e569695a6592b16aac0dd7", "tags": ["patch"]}], "x_generator": {"engine": "bc release-notes template"}, "descriptions": [{"lang": "en", "value": "In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).", "supportingMedia": [{"type": "text/html", "value": "<p>In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-354", "description": "CWE-354 Improper Validation of Integrity Check Value"}]}], "providerMetadata": {"orgId": "91579145-5d7b-4cc5-b925-a0262ff19630", "shortName": "bcorg", "dateUpdated": "2026-08-03T05:03:43.251Z"}}}, "cveMetadata": {"cveId": "CVE-2026-59642", "state": "PUBLISHED", "dateUpdated": "2026-08-03T13:27:19.619Z", "dateReserved": "2026-07-06T06:58:29.263Z", "assignerOrgId": "91579145-5d7b-4cc5-b925-a0262ff19630", "datePublished": "2026-08-03T00:53:28.335Z", "assignerShortName": "bcorg"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/", "defaultStatus": "unaffected", "modules": ["pkix"], "packageName": "bcpkix", "packageURL": "pkg:maven/org.bouncycastle/bcpkix-jdk18on", "platforms": ["all"], "product": "BC-JAVA", "programFiles": ["RecipientInformation"], "repo": "https://github.com/bcgit/bc-java", "vendor": "Legion of the Bouncy Castle Inc.", "versions": [{"lessThan": "1.85", "status": "affected", "version": "0", "versionType": "maven"}]}, {"collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-lts/", "defaultStatus": "unaffected", "modules": ["pkix"], "packageName": "bcpkix-lts8on", "packageURL": "pkg:maven/org.bouncycastle/bcpkix-lts8on", "platforms": ["all"], "product": "BC-LTS-JAVA", "programFiles": ["RecipientInformation"], "repo": "https://github.com/bcgit/bc-lts-java", "vendor": "Legion of the Bouncy Castle Inc.", "versions": [{"lessThan": "2.73.12", "status": "affected", "version": "2.73.0", "versionType": "maven"}]}, {"collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/", "defaultStatus": "unaffected", "packageName": "bcpkix-fips", "packageURL": "pkg:maven/org.bouncycastle/bcpkix-fips", "platforms": ["all"], "product": "BC-FJA", "vendor": "Legion of the Bouncy Castle Inc.", "versions": [{"lessThan": "1.0.12", "status": "affected", "version": "1.0.0", "versionType": "maven"}, {"lessThan": "2.0.12", "status": "affected", "version": "2.0.0", "versionType": "maven"}, {"lessThan": "2.1.12", "status": "affected", "version": "2.1.0", "versionType": "maven"}]}], "source": "91579145-5d7b-4cc5-b925-a0262ff19630"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA6A5663-2E62-44AA-8A64-A3CB0DC8813B", "versionEndExcluding": "1.85", "vulnerable": true}, {"criteria": "cpe:2.3:a:bouncycastle:bcpkix-fips:*:*:*:*:*:*:*:*", "matchCriteriaId": "C878934F-879A-4F9A-B81C-C284BF7797D4", "versionEndExcluding": "1.0.12", "vulnerable": true}, {"criteria": "cpe:2.3:a:bouncycastle:bcpkix-fips:*:*:*:*:*:*:*:*", "matchCriteriaId": "D0FF4FC3-75CF-4C5C-AEF1-342B8123264B", "versionEndExcluding": "2.0.12", "versionStartIncluding": "2.0.7", "vulnerable": true}, {"criteria": "cpe:2.3:a:bouncycastle:bcpkix-fips:*:*:*:*:*:*:*:*", "matchCriteriaId": "A5C3EAC6-7756-48AC-9129-A9BE7E11A8C7", "versionEndExcluding": "2.1.12", "versionStartIncluding": "2.1.8", "vulnerable": true}, {"criteria": "cpe:2.3:a:bouncycastle:bouncy_castle_for_java_lts:*:*:*:*:*:*:*:*", "matchCriteriaId": "F5ED4F42-08FF-4642-815D-1ED0C82FDBD2", "versionEndIncluding": "2.73.11", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series)."}], "id": "CVE-2026-59642", "lastModified": "2026-08-28T18:12:17.230", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "AMBER", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "91579145-5d7b-4cc5-b925-a0262ff19630", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59642", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-03T13:27:10.316195Z", "version": "2.0.3"}}]}, "published": "2026-08-03T01:16:44.203", "references": [{"source": "91579145-5d7b-4cc5-b925-a0262ff19630", "tags": ["Patch"], "url": "https://github.com/bcgit/bc-java/commit/2117f316a5a47308f3e569695a6592b16aac0dd7"}, {"source": "91579145-5d7b-4cc5-b925-a0262ff19630", "tags": ["Third Party Advisory"], "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059642"}], "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-354"}], "source": "91579145-5d7b-4cc5-b925-a0262ff19630", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["all"], "status": "affected", "versions": {"scheme": "semver", "value": "[1.0.0,1.0.12)"}}, {"platform": ["all"], "status": "affected", "versions": {"scheme": "semver", "value": "[2.0.0,2.0.12)"}}, {"platform": ["all"], "status": "affected", "versions": {"scheme": "semver", "value": "[2.1.0,2.1.12)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "bc-fja", "vendor": "legion_of_the_bouncy_castle_inc."}, {"configurations": [{"platform": ["all"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.85)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "bc-java", "vendor": "legion_of_the_bouncy_castle_inc."}, {"configurations": [{"platform": ["all"], "status": "affected", "versions": {"scheme": "semver", "value": "[2.73.0,2.73.12)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "bc-lts-java", "vendor": "legion_of_the_bouncy_castle_inc."}], "created": "2026-08-03T15:52:26.839200+00:00", "updated": "2026-08-04T11:00:07.587721+00:00", "vendors": ["legion_of_the_bouncy_castle_inc.", "legion_of_the_bouncy_castle_inc.$PRODUCT$bc-fja", "legion_of_the_bouncy_castle_inc.$PRODUCT$bc-java", "legion_of_the_bouncy_castle_inc.$PRODUCT$bc-lts-java"]}