Missing Authentication for Critical Function Affecting rclone package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published15 Jul 2026
- disclosed24 Jun 2026
Introduced: 24 Jun 2026
CVE-2026-49980 (opens in a new tab)How to fix?
There is no fixed version for Echo:latest rclone.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rclone package and not the rclone package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.46.0 until 1.74.3, rclone rcd --rc-serve accepts unauthenticated GET and HEAD requests to paths of the form: /[remote:path]/object. The remote value is parsed from the URL and passed to normal backend initialization. Inline remote configuration can set backend options that execute local commands during initialization. As a result, a single unauthenticated GET or HEAD request can execute a command as the rclone process user. This vulnerability is fixed in 1.74.3.
References
- https://advisory.echohq.com/cve/CVE-2026-49980
- https://www.cve.org/CVERecord?id=CVE-2026-49980
- https://github.com/rclone/rclone/security/advisories/GHSA-qw24-gh76-8rvv
- https://access.redhat.com/security/cve/CVE-2026-49980
- https://bugzilla.redhat.com/show_bug.cgi?id=2492478
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49980.json