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vuln-cve/data/2026/41xxx/CVE-2026-41256.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-41256",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-04-18T14:01:46.801Z",
"datePublished": "2026-05-11T17:18:30.975Z",
"dateUpdated": "2026-06-23T15:51:43.506Z"
},
"containers": {
"cna": {
"title": "jq: Embedded NUL truncates top-level jq programs loaded with -f",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-158",
"lang": "en",
"description": "CWE-158: Improper Neutralization of Null Byte or NUL Character",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/jqlang/jq/security/advisories/GHSA-vf2h-chrj-q3fg",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/jqlang/jq/security/advisories/GHSA-vf2h-chrj-q3fg"
}
],
"affected": [
{
"vendor": "jqlang",
"product": "jq",
"versions": [
{
"version": "<= 1.8.1",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-05-11T17:18:30.975Z"
},
"descriptions": [
{
"lang": "en",
"value": "jq is a command-line JSON processor. In 1.8.1 and earlier, Top-level jq programs loaded from a file with -f are truncated at the first embedded NUL byte on current upstream HEAD. A crafted filter file such as . followed by \\x00 and arbitrary suffix compiles and executes as only the prefix before the NUL. This leaves jq with a post-CVE-2026-33948 prefix/full-buffer mismatch on the compilation path even though the JSON parser path has already been fixed."
}
],
"source": {
"advisory": "GHSA-vf2h-chrj-q3fg",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/jqlang/jq/security/advisories/GHSA-vf2h-chrj-q3fg",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-11T20:12:56.609851Z",
"id": "CVE-2026-41256",
"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": "2026-06-23T15:51:43.506Z"
}
}
]
}
}