CVE-2026-92390
Full vulnerability record from the local CVENow database.
Description
When invoked with `--remote-header-name` (`-J`), curl fails to preserve its documented anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response, or if an `ETag` header is processed before `Content-Disposition` under `--etag-save`. This flaw allows an HTTP(S) server to overwrite an existing local file specified in the `Content-Disposition` header despite the presence of the `-J` non-overwrite constraint.
Severity
Not scored
CVSS score
Not available
Vulnerability status
Awaiting Analysis
Source identifier
2499f714-1537-4658-8207-48ae4bb9eae9
Published
2026-10-20 21:17:21.703000
Last modified
2026-10-22 17:21:57.293000
View original CVE JSON
{
"id": "CVE-2026-92390",
"sourceIdentifier": "2499f714-1537-4658-8207-48ae4bb9eae9",
"published": "2026-10-20T21:17:21.703",
"lastModified": "2026-10-22T17:21:57.293",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "When invoked with `--remote-header-name` (`-J`), curl fails to preserve its\ndocumented anti-clobbering protection if an intermediate 103 Early Hints\nresponse precedes the final HTTP response, or if an `ETag` header is processed\nbefore `Content-Disposition` under `--etag-save`. This flaw allows an HTTP(S)\nserver to overwrite an existing local file specified in the\n`Content-Disposition` header despite the presence of the `-J` non-overwrite\nconstraint."
}
],
"affected": [
{
"source": "2499f714-1537-4658-8207-48ae4bb9eae9",
"affectedData": [
{
"vendor": "curl",
"product": "curl",
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]
}
]
}
],
"metrics": {},
"references": [
{
"url": "https://curl.se/docs/CVE-2026-92390.html",
"source": "2499f714-1537-4658-8207-48ae4bb9eae9"
},
{
"url": "https://curl.se/docs/CVE-2026-92390.json",
"source": "2499f714-1537-4658-8207-48ae4bb9eae9"
},
{
"url": "https://hackerone.com/reports/4023192",
"source": "2499f714-1537-4658-8207-48ae4bb9eae9"
}
]
}