528 lines
20 KiB
JSON
528 lines
20 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-6276",
|
|
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "curl",
|
|
"dateReserved": "2026-04-14T14:01:54.772Z",
|
|
"datePublished": "2026-05-13T08:28:19.273Z",
|
|
"dateUpdated": "2026-09-15T06:03:04.059Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
|
|
"shortName": "curl",
|
|
"dateUpdated": "2026-09-15T06:03:04.059Z"
|
|
},
|
|
"title": "stale custom cookie host causes cookie leak",
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Using libcurl, when a custom `Host:` header is first set for an HTTP request\nand a second request is subsequently done using the same *easy handle* but\nwithout the custom `Host:` header set, the second request would use stale\ninformation and pass on cookies meant for the first host in the second\nrequest. Leak them."
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"vendor": "curl",
|
|
"product": "curl",
|
|
"versions": [
|
|
{
|
|
"version": "7.71.0",
|
|
"status": "affected",
|
|
"versionType": "semver",
|
|
"lessThan": "8.14.2"
|
|
},
|
|
{
|
|
"version": "8.15.0",
|
|
"status": "affected",
|
|
"versionType": "semver",
|
|
"lessThan": "8.16.1"
|
|
},
|
|
{
|
|
"version": "8.17.0",
|
|
"status": "affected",
|
|
"versionType": "semver",
|
|
"lessThan": "8.20.0"
|
|
}
|
|
],
|
|
"defaultStatus": "unaffected"
|
|
},
|
|
{
|
|
"vendor": "curl",
|
|
"product": "curl",
|
|
"versions": [
|
|
{
|
|
"version": "e15e51384a423be31318b3c9c7d612a1aae661fd",
|
|
"status": "affected",
|
|
"versionType": "git",
|
|
"lessThan": "3a19987a87f393d9394fe5acc7643f6c263c92db"
|
|
}
|
|
],
|
|
"defaultStatus": "unaffected",
|
|
"repo": "https://github.com/curl/curl.git"
|
|
},
|
|
{
|
|
"vendor": "curl",
|
|
"product": "curl",
|
|
"versions": [
|
|
{
|
|
"version": "8.19.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.18.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.17.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.16.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.15.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.14.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.14.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.13.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.12.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.12.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.11.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.11.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.10.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.10.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.9.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.9.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.8.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.7.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.7.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.6.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.5.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.4.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.3.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.2.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.2.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.1.2",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.1.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.1.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.0.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "8.0.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.88.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.88.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.87.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.86.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.85.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.84.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.83.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.83.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.82.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.81.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.80.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.79.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.79.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.78.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.77.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.76.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.76.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.75.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.74.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.73.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.72.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.71.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.71.0",
|
|
"status": "affected"
|
|
}
|
|
],
|
|
"defaultStatus": "unaffected"
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://curl.se/docs/CVE-2026-6276.json"
|
|
},
|
|
{
|
|
"url": "https://curl.se/docs/CVE-2026-6276.html"
|
|
},
|
|
{
|
|
"url": "https://hackerone.com/reports/3671818"
|
|
}
|
|
],
|
|
"x_osv": {
|
|
"schema_version": "1.5.0",
|
|
"id": "CURL-CVE-2026-6276",
|
|
"aliases": [
|
|
"CVE-2026-6276"
|
|
],
|
|
"summary": "stale custom cookie host causes cookie leak",
|
|
"modified": "2026-09-07T10:34:51.00Z",
|
|
"database_specific": {
|
|
"package": "curl",
|
|
"affects": "lib",
|
|
"URL": "https://curl.se/docs/CVE-2026-6276.json",
|
|
"www": "https://curl.se/docs/CVE-2026-6276.html",
|
|
"issue": "https://hackerone.com/reports/3671818",
|
|
"CWE": {
|
|
"id": "CWE-346",
|
|
"desc": "Origin Validation Error"
|
|
},
|
|
"last_affected": "8.19.0",
|
|
"severity": "Low"
|
|
},
|
|
"published": "2026-04-29T08:00:00.00Z",
|
|
"affected": [
|
|
{
|
|
"ranges": [
|
|
{
|
|
"type": "SEMVER",
|
|
"events": [
|
|
{
|
|
"introduced": "7.71.0"
|
|
},
|
|
{
|
|
"fixed": "8.14.2"
|
|
},
|
|
{
|
|
"introduced": "8.15.0"
|
|
},
|
|
{
|
|
"fixed": "8.16.1"
|
|
},
|
|
{
|
|
"introduced": "8.17.0"
|
|
},
|
|
{
|
|
"fixed": "8.20.0"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"type": "GIT",
|
|
"repo": "https://github.com/curl/curl.git",
|
|
"events": [
|
|
{
|
|
"introduced": "e15e51384a423be31318b3c9c7d612a1aae661fd"
|
|
},
|
|
{
|
|
"fixed": "3a19987a87f393d9394fe5acc7643f6c263c92db"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"versions": [
|
|
"8.19.0",
|
|
"8.18.0",
|
|
"8.17.0",
|
|
"8.16.0",
|
|
"8.15.0",
|
|
"8.14.1",
|
|
"8.14.0",
|
|
"8.13.0",
|
|
"8.12.1",
|
|
"8.12.0",
|
|
"8.11.1",
|
|
"8.11.0",
|
|
"8.10.1",
|
|
"8.10.0",
|
|
"8.9.1",
|
|
"8.9.0",
|
|
"8.8.0",
|
|
"8.7.1",
|
|
"8.7.0",
|
|
"8.6.0",
|
|
"8.5.0",
|
|
"8.4.0",
|
|
"8.3.0",
|
|
"8.2.1",
|
|
"8.2.0",
|
|
"8.1.2",
|
|
"8.1.1",
|
|
"8.1.0",
|
|
"8.0.1",
|
|
"8.0.0",
|
|
"7.88.1",
|
|
"7.88.0",
|
|
"7.87.0",
|
|
"7.86.0",
|
|
"7.85.0",
|
|
"7.84.0",
|
|
"7.83.1",
|
|
"7.83.0",
|
|
"7.82.0",
|
|
"7.81.0",
|
|
"7.80.0",
|
|
"7.79.1",
|
|
"7.79.0",
|
|
"7.78.0",
|
|
"7.77.0",
|
|
"7.76.1",
|
|
"7.76.0",
|
|
"7.75.0",
|
|
"7.74.0",
|
|
"7.73.0",
|
|
"7.72.0",
|
|
"7.71.1",
|
|
"7.71.0"
|
|
]
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"name": "Muhamad Arga Reksapati",
|
|
"type": "finder"
|
|
},
|
|
{
|
|
"name": "Daniel Stenberg",
|
|
"type": "remediation developer"
|
|
}
|
|
],
|
|
"details": "Using libcurl, when a custom `Host:` header is first set for an HTTP request\nand a second request is subsequently done using the same *easy handle* but\nwithout the custom `Host:` header set, the second request would use stale\ninformation and pass on cookies meant for the first host in the second\nrequest. Leak them."
|
|
},
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"description": "Origin Validation Error",
|
|
"cweId": "CWE-346",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Muhamad Arga Reksapati",
|
|
"type": "finder"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "Daniel Stenberg",
|
|
"type": "remediation developer"
|
|
}
|
|
],
|
|
"x_generator": {
|
|
"engine": "cvelib 1.8.0"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"title": "CVE Program Container",
|
|
"references": [
|
|
{
|
|
"url": "http://www.openwall.com/lists/oss-security/2026/04/29/13"
|
|
}
|
|
],
|
|
"providerMetadata": {
|
|
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
|
|
"shortName": "CVE",
|
|
"dateUpdated": "2026-05-13T09:05:37.539Z"
|
|
}
|
|
},
|
|
{
|
|
"references": [
|
|
{
|
|
"url": "https://hackerone.com/reports/3671818",
|
|
"tags": [
|
|
"exploit"
|
|
]
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"scope": "UNCHANGED",
|
|
"version": "3.1",
|
|
"baseScore": 7.5,
|
|
"attackVector": "NETWORK",
|
|
"baseSeverity": "HIGH",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
|
|
"integrityImpact": "NONE",
|
|
"userInteraction": "NONE",
|
|
"attackComplexity": "LOW",
|
|
"availabilityImpact": "HIGH",
|
|
"privilegesRequired": "NONE",
|
|
"confidentialityImpact": "NONE"
|
|
}
|
|
},
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-05-13T17:24:29.094167Z",
|
|
"id": "CVE-2026-6276",
|
|
"options": [
|
|
{
|
|
"Exploitation": "poc"
|
|
},
|
|
{
|
|
"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": "2026-05-13T17:26:06.894Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |