{"id":"CVE-2026-116196","title":"Rclone before v1.75.2 B2 Credential Leak on Redirect via --b2-download-url","summary":"Rclone before v1.75.2 contains a credential exposure vulnerability in the b2 backend that leaks the live account Authorization token and SSE-C keys on HTTP redirects from --b2-download-url hosts. Attackers can observe a same-host HTTPS-t…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-319"],"vendor":"rclone","product":"rclone","affected":["rclone < 1.75.2"],"published":"2026-10-25","updated":"2026-10-25","sourceUpdated":"2026-10-25T13:20:29.804Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116196","references":[{"url":"https://github.com/rclone/rclone/security/advisories/GHSA-gpw7-77cq-9f72","label":"GitHub Security Advisory (GHSA-gpw7-77cq-9f72)"},{"url":"https://www.vulncheck.com/advisories/rclone-before-1.75.2-b2-credential-leak-on-redirect-via-b2-download-url","label":"VulnCheck Advisory: Rclone before v1.75.2 B2 Credential Leak on Redirect via --b2-download-url"}],"tags":["cve.org"],"ingestedAt":"2026-10-25T22:08:29.942Z","slug":"CVE-2026-116196","body":"## Overview\n\nRclone before v1.75.2 contains a credential exposure vulnerability in the b2 backend that leaks the live account Authorization token and SSE-C keys on HTTP redirects from --b2-download-url hosts. Attackers can observe a same-host HTTPS-to-HTTP downgrade redirect to capture the cleartext B2 token, or receive cross-host redirects disclosing SSE-C customer encryption keys.\n\n## Affected\n\n- `rclone < 1.75.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}