{"id":"AZL-110256","summary":"CVE-2026-86409 affecting package rust 1.96.1-2","details":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","modified":"2026-10-27T05:36:16Z","published":"2026-10-20T20:17:25Z","upstream":["CVE-2026-86409"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86409"}],"affected":[{"package":{"name":"rust","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/rust"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.85.0"},{"last_affected":"1.96.1-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-110256.json"}}],"schema_version":"1.9.2"}