VULNERABILITY INTELLIGENCE

CVE-2026-116196

CVSS score5.3 MEDIUM
EPSS probability0.06%
CISA KEVNot currently listed
Published2026-10-25
Last modified2026-10-27
CVSS vectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

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-to-HTTP downgrade redirect to capture the cleartext B2 token, or receive cross-host redirects disclosing SSE-C customer encryption keys.

Weakness classification

  • disclosure@vulncheck.com: CWE-319

Primary references