{"id":"CVE-2026-116189","title":"rclone 1.55.0 before 1.75.2 selfupdate Signature Verification Bypass via SHA256SUMS","summary":"rclone from 1.55.0 before 1.75.2 contains a signature verification bypass in stable selfupdate that trusts checksums from unsigned bytes preceding the PGP-clearsigned SHA256SUMS block. Attackers controlling the release distribution path …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-347"],"vendor":"rclone","product":"rclone","affected":["rclone >= 1.55.0 < 1.75.2"],"published":"2026-10-25","updated":"2026-10-25","sourceUpdated":"2026-10-25T13:20:25.148Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116189","references":[{"url":"https://github.com/rclone/rclone/security/advisories/GHSA-w33h-3qgq-8mv8","label":"GitHub Security Advisory (GHSA-w33h-3qgq-8mv8)"},{"url":"https://www.vulncheck.com/advisories/rclone-1.55.0-before-1.75.2-selfupdate-signature-verification-bypass-via-sha256sums","label":"VulnCheck Advisory: rclone 1.55.0 before 1.75.2 selfupdate Signature Verification Bypass via SHA256SUMS"}],"tags":["cve.org"],"ingestedAt":"2026-10-25T22:08:29.942Z","slug":"CVE-2026-116189","body":"## Overview\n\nrclone from 1.55.0 before 1.75.2 contains a signature verification bypass in stable selfupdate that trusts checksums from unsigned bytes preceding the PGP-clearsigned SHA256SUMS block. Attackers controlling the release distribution path can prepend an unsigned checksum line matching a malicious archive, causing selfupdate to install an attacker-controlled rclone executable.\n\n## Affected\n\n- `rclone >= 1.55.0 < 1.75.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}