CVE•Published 2026-06-24•Modified 2026-08-07•1 article on news•5 live references•NVD data

CVE-2026-49980Rclone · Rclone

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 49% of all CVEs

Weaknesses (CWE)

CWE-306Missing Authentication for Critical Function CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Description

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.

Timeline

Published 2026-06-24

Modified 2026-08-07

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-49980

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Rclone Rclone"

All exposed Rclone Rclone instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Rclone"

HTTP body or banner mentions "Rclone" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-49980