CVE-2026-116189 rclone - Authentication Bypass

rclone > 1.55.0 and < 1.75.2 contains a signature verification bypass caused by trusting checksums from unsigned bytes preceding the PGP-clearsigned SHA256SUMS block, letting attackers controlling release distribution install malicious executables, exploit requires control over release distribution path.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
25 October 2026
Updated
26 October 2026
Weakness
CWE-347

Vendor fix

Upgrade to version 1.75.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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