{"api_version":"1","generated_at":"2026-05-13T03:12:00+00:00","cve":"CVE-2026-43896","urls":{"html":"https://cve.report/CVE-2026-43896","api":"https://cve.report/api/cve/CVE-2026-43896.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43896","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43896"},"summary":{"title":"jq: Stack Overflow in Recursive Object Merge","description":"jq is a command-line JSON processor. In 1.8.1 and earlier, unbounded recursion in jv_object_merge_recursive() allows a crafted jq program to crash the process with a segfault. The function is reachable through the * operator when both operands are objects.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-05-11 18:16:37","updated_at":"2026-05-12 17:16:20"},"problem_types":["CWE-674","CWE-674 CWE-674: Uncontrolled Recursion"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"6.2","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.2,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"6.2","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846","name":"https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846","refsource":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43896","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43896","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"jqlang","product":"jq","version":"affected <= 1.8.1","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43896","cve":"CVE-2026-43896","epss":"0.000130000","percentile":"0.021280000","score_date":"2026-05-12","updated_at":"2026-05-13 00:11:52"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-43896","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-05-12T16:14:34.358878Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-05-12T16:15:17.281Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["exploit"],"url":"https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"jq","vendor":"jqlang","versions":[{"status":"affected","version":"<= 1.8.1"}]}],"descriptions":[{"lang":"en","value":"jq is a command-line JSON processor. In 1.8.1 and earlier, unbounded recursion in jv_object_merge_recursive() allows a crafted jq program to crash the process with a segfault. The function is reachable through the * operator when both operands are objects."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","description":"CWE-674: Uncontrolled Recursion","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-11T17:24:48.149Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846","tags":["x_refsource_CONFIRM"],"url":"https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846"}],"source":{"advisory":"GHSA-mg96-6h3q-g846","discovery":"UNKNOWN"},"title":"jq: Stack Overflow in Recursive Object Merge"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-43896","datePublished":"2026-05-11T17:24:48.149Z","dateReserved":"2026-05-04T15:17:09.331Z","dateUpdated":"2026-05-12T16:15:17.281Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-11 18:16:37","lastModifiedDate":"2026-05-12 17:16:20","problem_types":["CWE-674","CWE-674 CWE-674: Uncontrolled Recursion"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.2,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.5,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43896","Ordinal":"1","Title":"jq: Stack Overflow in Recursive Object Merge","CVE":"CVE-2026-43896","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43896","Ordinal":"1","NoteData":"jq is a command-line JSON processor. In 1.8.1 and earlier, unbounded recursion in jv_object_merge_recursive() allows a crafted jq program to crash the process with a segfault. The function is reachable through the * operator when both operands are objects.","Type":"Description","Title":"jq: Stack Overflow in Recursive Object Merge"}]}}}