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Arga Reksapati"},{"lang":"en","type":"remediation developer","value":"Stefan Eissing"}],"descriptions":[{"lang":"en","value":"libcurl might in some circumstances reuse the wrong connection when asked to\ndo Negotiate-authenticated ones, even when they are set to use different\n'services'.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different services."}],"problemTypes":[{"descriptions":[{"description":"CWE-488 Exposure of Data Element to Wrong Session","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2026-07-03T06:14:42.258Z","orgId":"2499f714-1537-4658-8207-48ae4bb9eae9","shortName":"curl"},"references":[{"name":"json","url":"https://curl.se/docs/CVE-2026-8458.json"},{"name":"www","url":"https://curl.se/docs/CVE-2026-8458.html"},{"name":"issue","url":"https://hackerone.com/reports/3721183"}],"title":"wrong reuse for different services"}},"cveMetadata":{"assignerOrgId":"2499f714-1537-4658-8207-48ae4bb9eae9","assignerShortName":"curl","cveId":"CVE-2026-8458","datePublished":"2026-07-03T06:14:42.258Z","dateReserved":"2026-05-13T08:33:36.632Z","dateUpdated":"2026-07-03T06:14:42.258Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-03 07:16:24","lastModifiedDate":"2026-07-03 07:16:24","problem_types":["CWE-488 Exposure of Data Element to Wrong Session"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"8458","Ordinal":"1","Title":"wrong reuse for different services","CVE":"CVE-2026-8458","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"8458","Ordinal":"1","NoteData":"libcurl might in some circumstances reuse the wrong connection when asked to\ndo Negotiate-authenticated ones, even when they are set to use different\n'services'.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different services.","Type":"Description","Title":"wrong reuse for different services"}]}}}