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CVE

CVE-2026-49980

Rclone: Unauthenticated command execution in `rclone rcd --rc-serve` via inline remote instantiation, bypassing CVE-2026-41179 fix
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CVE

CVE-2026-49980

Rclone: Unauthenticated command execution in `rclone rcd --rc-serve` via inline remote instantiation, bypassing CVE-2026-41179 fix

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Related Resources

No items found.

References

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49980.json, https://access.redhat.com/security/cve/CVE-2026-49980, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49980.json, https://github.com/rclone/rclone/security/advisories/GHSA-qw24-gh76-8rvv, https://nvd.nist.gov/vuln/detail/CVE-2026-49980, https://bugzilla.redhat.com/show_bug.cgi?id=2492478

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00744%
EPSS Percentile
0.52821%
Introduced Version
eb85ecc9c480175bd39a2009212ffa81eaebee7c,0
Fix Available
37e4117f48bdef0fa1ba27f6467d7a891b0b55ba,0:1.55.1-1.amzn2.0.9,0:1.74.3-81.amzn2023,1.38.4-r19,1.39.2-r3

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