{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-107928", "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "state": "PUBLISHED", "assignerShortName": "curl", "dateReserved": "2026-10-09T07:51:36.688Z", "datePublished": "2026-10-20T20:28:17.712Z", "dateUpdated": "2026-10-20T20:28:17.712Z" }, "containers": { "cna": { "title": "info leak uploading over WebSockets with GnuTLS", "descriptions": [ { "lang": "en", "value": "When curl is built with GnuTLS, a malicious WebSocket server can make curl\nsend memory past its send buffer. This is due to an out of bounds read\nfollowing when `gnutls_record_send()` returns a number of bytes sent **greater\nthan the number of bytes it was given to send**. GnuTLS does that after a\nblocked send." } ], "providerMetadata": { "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "shortName": "curl", "dateUpdated": "2026-10-20T20:28:17.712Z" }, "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-126 Buffer Over-read" } ] } ], "affected": [ { "vendor": "curl", "product": "curl", "versions": [ { "version": "8.22.0", "status": "affected", "lessThanOrEqual": "8.22.0", "versionType": "semver" }, { "version": "8.21.0", "status": "affected", "lessThanOrEqual": "8.21.0", "versionType": "semver" }, { "version": "8.20.0", "status": "affected", "lessThanOrEqual": "8.20.0", "versionType": "semver" }, { "version": "8.19.0", "status": "affected", "lessThanOrEqual": "8.19.0", "versionType": "semver" }, { "version": "8.18.0", "status": "affected", "lessThanOrEqual": "8.18.0", "versionType": "semver" }, { "version": "8.17.0", "status": "affected", "lessThanOrEqual": "8.17.0", "versionType": "semver" }, { "version": "8.16.0", "status": "affected", "lessThanOrEqual": "8.16.0", "versionType": "semver" }, { "version": "8.15.0", "status": "affected", "lessThanOrEqual": "8.15.0", "versionType": "semver" }, { "version": "8.14.1", "status": "affected", "lessThanOrEqual": "8.14.1", "versionType": "semver" }, { "version": "8.14.0", "status": "affected", "lessThanOrEqual": "8.14.0", "versionType": "semver" }, { "version": "8.13.0", "status": "affected", "lessThanOrEqual": "8.13.0", "versionType": "semver" }, { "version": "8.12.1", "status": "affected", "lessThanOrEqual": "8.12.1", "versionType": "semver" }, { "version": "8.12.0", "status": "affected", "lessThanOrEqual": "8.12.0", "versionType": "semver" }, { "version": "8.11.1", "status": "affected", "lessThanOrEqual": "8.11.1", "versionType": "semver" }, { "version": "8.11.0", "status": "affected", "lessThanOrEqual": "8.11.0", "versionType": "semver" }, { "version": "8.10.1", "status": "affected", "lessThanOrEqual": "8.10.1", "versionType": "semver" }, { "version": "8.10.0", "status": "affected", "lessThanOrEqual": "8.10.0", "versionType": "semver" }, { "version": "8.9.1", "status": "affected", "lessThanOrEqual": "8.9.1", "versionType": "semver" }, { "version": "8.9.0", "status": "affected", "lessThanOrEqual": "8.9.0", "versionType": "semver" }, { "version": "8.8.0", "status": "affected", "lessThanOrEqual": "8.8.0", "versionType": "semver" }, { "version": "8.7.1", "status": "affected", "lessThanOrEqual": "8.7.1", "versionType": "semver" }, { "version": "8.7.0", "status": "affected", "lessThanOrEqual": "8.7.0", "versionType": "semver" }, { "version": "8.6.0", "status": "affected", "lessThanOrEqual": "8.6.0", "versionType": "semver" }, { "version": "8.5.0", "status": "affected", "lessThanOrEqual": "8.5.0", "versionType": "semver" }, { "version": "8.4.0", "status": "affected", "lessThanOrEqual": "8.4.0", "versionType": "semver" }, { "version": "8.3.0", "status": "affected", "lessThanOrEqual": "8.3.0", "versionType": "semver" }, { "version": "8.2.1", "status": "affected", "lessThanOrEqual": "8.2.1", "versionType": "semver" }, { "version": "8.2.0", "status": "affected", "lessThanOrEqual": "8.2.0", "versionType": "semver" }, { "version": "8.1.2", "status": "affected", "lessThanOrEqual": "8.1.2", "versionType": "semver" }, { "version": "8.1.1", "status": "affected", "lessThanOrEqual": "8.1.1", "versionType": "semver" }, { "version": "8.1.0", "status": "affected", "lessThanOrEqual": "8.1.0", "versionType": "semver" }, { "version": "8.0.1", "status": "affected", "lessThanOrEqual": "8.0.1", "versionType": "semver" }, { "version": "8.0.0", "status": "affected", "lessThanOrEqual": "8.0.0", "versionType": "semver" }, { "version": "7.88.1", "status": "affected", "lessThanOrEqual": "7.88.1", "versionType": "semver" }, { "version": "7.88.0", "status": "affected", "lessThanOrEqual": "7.88.0", "versionType": "semver" }, { "version": "7.87.0", "status": "affected", "lessThanOrEqual": "7.87.0", "versionType": "semver" }, { "version": "7.86.0", "status": "affected", "lessThanOrEqual": "7.86.0", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "references": [ { "url": "https://curl.se/docs/CVE-2026-107928.json", "name": "json" }, { "url": "https://curl.se/docs/CVE-2026-107928.html", "name": "www" }, { "url": "https://hackerone.com/reports/4099194", "name": "issue" } ], "credits": [ { "lang": "en", "value": "Luna with Claude", "type": "finder" }, { "lang": "en", "value": "Anthropic", "type": "finder" }, { "lang": "en", "value": "Stefan Eissing", "type": "remediation developer" } ] } } }