Unrated
CVE-2026-86409 affecting package tensorflow 2.16.1-11
Type: advisorySources: OSV
Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication, contrary to expectations and documentation. A subsequent transfer on the same handle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL isset next, leaking state information.
- Products
- tensorflow
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-86409
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 17:31 UTC · Revision 1
Source evidence
CVE-2026-86409 affecting package tensorflow 2.16.1-11
core-osv · Original sourcePublished 20 Oct 2026, 20:17 UTC
Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication, contrary to expectations and documentation. A subsequent transfer on the same handle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL isset next, leaking state information.
osv:AZL-110283
tensorflow
Fixed versions: Not specified
Complete source record
{
"id": "727a9f5d36a730adbdf6834e7c9af46ddcadc5b1bfe4559c8c0aed17a03f210c",
"url": "https://osv.dev/vulnerability/AZL-110283",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-86409 affecting package tensorflow 2.16.1-11",
"summary": "Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication, contrary to expectations and documentation. A subsequent transfer on the same handle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL isset next, leaking state information.",
"evidence": "osv:AZL-110283",
"products": [
{
"name": {
"value": "tensorflow",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "AZL-110283",
"aliases": [
"AZL-110283"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "2.16.1-11"
}
]
}
],
"package": {
"name": "tensorflow",
"purl": "pkg:rpm/azure-linux/tensorflow",
"ecosystem": "Azure Linux:3"
},
"database_specific": {
"source": "https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-110283.json"
}
}
],
"modified": "2026-10-27T05:36:16Z",
"provider": "osv",
"upstream": [
"CVE-2026-86409"
],
"references": [
"https://nvd.nist.gov/vuln/detail/CVE-2026-86409"
]
},
"related_cves": [
{
"value": "CVE-2026-86409",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 460614,
"published_at": "2026-10-20T20:17:25+00:00"
}