{"id":"JLSEC-2025-26","summary":"curl 7.1.1 to and including 7.75.0 is vulnerable to an \"Exposure of Private Personal Information to...","details":"curl 7.1.1 to and including 7.75.0 is vulnerable to an \"Exposure of Private Personal Information to an Unauthorized Actor\" by leaking credentials in the HTTP Referer: header. libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header field in outgoing HTTP requests, and therefore risks leaking sensitive data to the server that is the target of the second HTTP request.","modified":"2026-07-25T18:24:02.325430611Z","published":"2025-10-10T15:04:01.319Z","upstream":["CVE-2021-22876"],"database_specific":{"license":"CC-BY-4.0","sources":[{"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22876","database_specific":{"status":"Modified"},"id":"CVE-2021-22876","imported":"2026-07-17T20:52:43.297Z","modified":"2026-06-17T03:37:55.703Z","published":"2021-04-01T18:15:12.823Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-22876"}]},"references":[{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"},{"type":"WEB","url":"https://curl.se/docs/CVE-2021-22876.html"},{"type":"WEB","url":"https://hackerone.com/reports/1101882"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00019.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQUIOYX2KUU6FIUZVB5WWZ6JHSSYSQWJ/"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202105-36"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20210521-0007/"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"}],"affected":[{"package":{"name":"LibCURL_jll","ecosystem":"Julia","purl":"pkg:julia/LibCURL_jll?uuid=deac9b47-8bc7-5906-a0fe-35ac56dc84c0"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.81.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-26.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:L/Au:N/C:P/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}