CVE-2026-88017

A flaw was found in rclone, a command-line program for syncing files to cloud storage providers. The FTP authentication proxy driver improperly handles user credentials across sessions. If two users share the same username but are linked to different storage backends, a later login can overwrite...

CVE-2026-88016

A flaw was found in rclone. When the backend/local component operates with the --links option, a specially crafted .rclonelink object from the source can create a symbolic link symlink in the destination. Subsequently, directory metadata operations, such as changing ownership, permissions, or...

USN-8782-1: Rclone vulnerability

It was discovered that Rclone incorrectly handled unauthenticated requests to the remote control API. An attacker could possibly use this issue to execute arbitrary commands as the user invoking rclone. CVE-2026-49980...

USN-8782-1 rclone vulnerability

It was discovered that Rclone incorrectly handled unauthenticated requests to the remote control API. An attacker could possibly use this issue to execute arbitrary commands as the user invoking rclone. CVE-2026-49980...

CLEANSTART-2026-HQ12968 Security fix for CVE-2026-44973 applied in: apko 1.2.2-r1, argo-cd 3.1.16-r0, argo-cd 3.2.12-r0, argo-cd 3.2.7-r2, argo-cd 3.3.11-r0, argo-cd 3.3.5-r0, argo-events 1.9.10-r1, argo-workflows 4.0.5-r0, external-secrets-fips 0.17.0-r2, gomplate 4.3.3-r0, kubevela 1.10.8-r0, kyverno 1.16.4-r3, kyverno 1.18.1-r2, kyverno 1.18.2-r0, melange 0.50.0-r1, pulumi-kubernetes-operator 2.7.0-r0, rclone 1.69.0-r3, timoni 0.25.2-r0

CVE-2026-44973 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details...

Rclone 1.75.0 S3 Multipart Declared-Length Memory Exhaustion (CVE-2026-88045)

The version of Rclone installed on the remote host is 1.75.0. It is, therefore, affected by a denial of service vulnerability: - In streamed multipart mode, rclone serve s3 passes the request's declared part length to multipart.NewRW.ReservecontentLength before reading any part data, which...

Rclone 1.70.x < 1.75.1 RC Per-Server Auth-Proxy Bypass (CVE-2026-88044)

The version of Rclone installed on the remote host is 1.70.x prior to 1.75.1. It is, therefore, affected by an authentication bypass vulnerability: - The serve/start remote control method accepts protocol options in a per-server proxyOpt object, but the FTP and S3 server constructors decide wheth...

Rclone 1.64.x < 1.75.1 FTP Auth-Proxy Cross-Session Backend Confusion (CVE-2026-88017)

The version of Rclone installed on the remote host is 1.64.x prior to 1.75.1. It is, therefore, affected by a cross-session backend confusion vulnerability: - The FTP auth-proxy driver stores one obscured password per username in a server-wide map and does not bind the credential or the returned...

Rclone < 1.75.1 S3 Serve SigV4 Signature Bypass (CVE-2026-88018)

The version of Rclone installed on the remote host is prior to 1.75.1. It is, therefore, affected by an authentication bypass vulnerability: - When rclone serve s3 is configured with --auth-proxy and without --auth-key, the authPairMiddleware handler parses the access key ID out of the...

GO-2026-6460 rclone: RC per-server auth-proxy bypass in github.com/rclone/rclone

rclone: RC per-server auth-proxy bypass in github.com/rclone/rclone...

GO-2026-6457 rclone: source object names can escape the configured root on upload in github.com/rclone/rclone

rclone: source object names can escape the configured root on upload in github.com/rclone/rclone...

GO-2026-6459 rclone: Directory metadata (chmod/chown/chtimes) applied through a planted symlink in rclone local --links escapes the destination in github.com/rclone/rclone

rclone: Directory metadata chmod/chown/chtimes applied through a planted symlink in rclone local --links escapes the destination in github.com/rclone/rclone...

GO-2026-6462 rclone serve s3: --auth-proxy without --auth-key authenticates nobody - full SigV4 signature bypass in github.com/rclone/rclone

rclone serve s3: --auth-proxy without --auth-key authenticates nobody - full SigV4 signature bypass in github.com/rclone/rclone...

GO-2026-6461 rclone local: crafted Range request against a translated symlink panics (DoS) in github.com/rclone/rclone

rclone local: crafted Range request against a translated symlink panics DoS in github.com/rclone/rclone...

GO-2026-6463 rclone: http backend forwards custom/auth headers to a different host on redirect in github.com/rclone/rclone

rclone: http backend forwards custom/auth headers to a different host on redirect in github.com/rclone/rclone...

GO-2026-6464 rclone archive/zip: Zip Slip via unsanitized zip entry names lets a malicious archive escape its own namespace in github.com/rclone/rclone

rclone archive/zip: Zip Slip via unsanitized zip entry names lets a malicious archive escape its own namespace in github.com/rclone/rclone...

GO-2026-6456 rclone: S3 multipart declared-length memory exhaustion in github.com/rclone/rclone

rclone: S3 multipart declared-length memory exhaustion in github.com/rclone/rclone...

GO-2026-6458 rclone: FTP cross-session auth-proxy backend confusion in github.com/rclone/rclone

rclone: FTP cross-session auth-proxy backend confusion in github.com/rclone/rclone...

BIT-RCLONE-2026-88018 rclone serve s3: --auth-proxy without --auth-key authenticates nobody - full SigV4 signature bypass

rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.1, rclone serve s3 configured with --auth-proxy but without --auth-key allows authPairMiddleware to register any client-chosen accessKeyID with an empty ws.s3Secret. gofakes...

BIT-RCLONE-2026-88017 rclone: FTP cross-session auth-proxy backend confusion

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...