CVE-2026-86511

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86511", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-07T18:54:11.540Z", "datePublished": "2026-09-08T02:00:09.584Z", "dateUpdated": "2026-09-08T12:34:05.369Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-08T02:00:09.584Z"}, "title": "java-json-tools jackson-coreutils JacksonUtils.java BigDecimal.toPlainString resource consumption", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "Resource Consumption"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-404", "lang": "en", "description": "Denial of Service"}]}], "affected": [{"vendor": "java-json-tools", "product": "jackson-coreutils", "versions": [{"version": "2.0", "status": "affected"}], "cpes": ["cpe:2.3:a:java-json-tools:jackson-coreutils:*:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in java-json-tools jackson-coreutils 2.0. Affected by this vulnerability is the function BigDecimal.toPlainString of the file src/main/java/com/github/fge/jackson/JacksonUtils.java. Performing a manipulation results in resource consumption. The attack may be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-09-07T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-09-07T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-09-07T20:59:17.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "York Shen - Yong Shen - PayPal Cyber Security Team (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/399664", "name": "VDB-399664 | java-json-tools jackson-coreutils JacksonUtils.java BigDecimal.toPlainString resource consumption", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/399664/cti", "name": "VDB-399664 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-86511", "name": "CVE-2026-86511 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/908322", "name": "Submit #908322 | java-json-tools jackson-coreutils 2.0 BigDecimal Amplification DoS", "tags": ["third-party-advisory"]}, {"url": "https://github.com/java-json-tools/jackson-coreutils/issues/65", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/java-json-tools/jackson-coreutils/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202609"]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-08T12:30:17.661680Z", "id": "CVE-2026-86511", "options": [{"Exploitation": "poc"}, {"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": "2026-09-08T12:34:05.369Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-86511", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-08T12:30:17.661680Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-08T12:34:00.479Z"}}], "cna": {"title": "java-json-tools jackson-coreutils JacksonUtils.java BigDecimal.toPlainString resource consumption", "credits": [{"lang": "en", "type": "reporter", "value": "York Shen - Yong Shen - PayPal Cyber Security Team (VulDB User)"}, {"lang": "en", "type": "coordinator", "value": "VulDB CNA Team"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR"}}], "affected": [{"cpes": ["cpe:2.3:a:java-json-tools:jackson-coreutils:*:*:*:*:*:*:*:*"], "vendor": "java-json-tools", "product": "jackson-coreutils", "versions": [{"status": "affected", "version": "2.0"}]}], "timeline": [{"lang": "en", "time": "2026-09-07T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-09-07T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-09-07T20:59:17.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/vuln/399664", "name": "VDB-399664 | java-json-tools jackson-coreutils JacksonUtils.java BigDecimal.toPlainString resource consumption", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/399664/cti", "name": "VDB-399664 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-86511", "name": "CVE-2026-86511 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/908322", "name": "Submit #908322 | java-json-tools jackson-coreutils 2.0 BigDecimal Amplification DoS", "tags": ["third-party-advisory"]}, {"url": "https://github.com/java-json-tools/jackson-coreutils/issues/65", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/java-json-tools/jackson-coreutils/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202609"], "descriptions": [{"lang": "en", "value": "A vulnerability was found in java-json-tools jackson-coreutils 2.0. Affected by this vulnerability is the function BigDecimal.toPlainString of the file src/main/java/com/github/fge/jackson/JacksonUtils.java. Performing a manipulation results in resource consumption. The attack may be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "Resource Consumption"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-404", "description": "Denial of Service"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-08T02:00:09.584Z"}}}, "cveMetadata": {"cveId": "CVE-2026-86511", "state": "PUBLISHED", "dateUpdated": "2026-09-08T12:34:05.369Z", "dateReserved": "2026-09-07T18:54:11.540Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-09-08T02:00:09.584Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:java-json-tools:jackson-coreutils:*:*:*:*:*:*:*:*"], "product": "jackson-coreutils", "vendor": "java-json-tools", "versions": [{"status": "affected", "version": "2.0"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in java-json-tools jackson-coreutils 2.0. Affected by this vulnerability is the function BigDecimal.toPlainString of the file src/main/java/com/github/fge/jackson/JacksonUtils.java. Performing a manipulation results in resource consumption. The attack may be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en java-json-tools jackson-coreutils 2.0. Afectada por esta vulnerabilidad est\u00e1 la funci\u00f3n BigDecimal.toPlainString del archivo src/main/java/com/github/fge/jackson/JacksonUtils.java. Realizar una manipulaci\u00f3n resulta en consumo de recursos. El ataque puede ser iniciado remotamente. El exploit ha sido hecho p\u00fablico y podr\u00eda ser usado. El proyecto fue informado del problema tempranamente a trav\u00e9s de un informe de incidencias, pero no ha respondido a\u00fan."}], "id": "CVE-2026-86511", "lastModified": "2026-09-28T23:10:00.143", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "NOT_DEFINED", "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:N/VA:L/SC:N/SI:N/SA:N/E:P/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:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86511", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-08T12:30:17.661680Z", "version": "2.0.3"}}]}, "published": "2026-09-08T03:17:19.257", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/java-json-tools/jackson-coreutils/"}, {"source": "cna@vuldb.com", "url": "https://github.com/java-json-tools/jackson-coreutils/issues/65"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-86511"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/908322"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/399664"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/399664/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-404"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "2.0"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "jackson-coreutils", "source": "cna", "vendor": "java-json-tools"}, "product": "jackson-coreutils", "vendor": "java-json-tools"}], "created": "2026-09-08T04:00:05.082761+00:00", "updated": "2026-09-08T07:30:04.606658+00:00", "vendors": ["java-json-tools", "java-json-tools$PRODUCT$jackson-coreutils"]}