Medium 5.3Published Oct 25, 2026

CVE-2026-116196Rclone before v1.75.2 B2 Credential Leak on Redirect via --b2-download-url

Updated under an hour ago (Oct 28, 2026, 6:50 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for rclone

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-319
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Oct 25, 2026
First seen by InfoSec Signals: Oct 25, 2026

Affected products

Affected products

rclone rclone rclone:rclone (from the name)	before 1.75.2; 1.75.2 not affected	CNA record
rclone rclone rclone:rclone	before 1.75.2	NVD

References

References

https://github.com/rclone/rclone/security/advisories/GHSA-gpw7-77cq-9f72	vendor-advisory
https://www.vulncheck.com/advisories/rclone-before-1.75.2-b2-credential-leak-on-redirect-via-b2-download-url	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.