CVE-2026-116187

Rclone from v1.68.0 before v1.75.2 contains an authorization bypass vulnerability in serve s3 --auth-proxy that allows authenticated tenants to manipulate other tenants' multipart uploads by referencing their upload IDs. Attackers who learn a victim's bucket, object, and upload ID can inject part...

CVE-2026-116188

rclone serve s3 versions 1.75.0 before 1.75.2 contain an integer overflow vulnerability in multipart reorder-memory accounting that bypasses the configured buffer limit. Attackers can open two concurrent current-part PUT requests declaring huge lengths to wrap the signed int64 counter and retain...

CVE-2026-116188 rclone serve s3 1.75.0 before 1.75.2 Memory Limit Bypass via Multipart Overflow

rclone serve s3 versions 1.75.0 before 1.75.2 contain an integer overflow vulnerability in multipart reorder-memory accounting that bypasses the configured buffer limit. Attackers can open two concurrent current-part PUT requests declaring huge lengths to wrap the signed int64 counter and retain...

EUVD-2026-109446

rclone serve s3 versions 1.75.0 before 1.75.2 contain an integer overflow vulnerability in multipart reorder-memory accounting that bypasses the configured buffer limit. Attackers can open two concurrent current-part PUT requests declaring huge lengths to wrap the signed int64 counter and retain...

CVE-2026-116188 rclone serve s3 1.75.0 before 1.75.2 Memory Limit Bypass via Multipart Overflow

rclone serve s3 versions 1.75.0 before 1.75.2 contain an integer overflow vulnerability in multipart reorder-memory accounting that bypasses the configured buffer limit. Attackers can open two concurrent current-part PUT requests declaring huge lengths to wrap the signed int64 counter and retain...

CVE-2026-116188

rclone serve s3 versions 1.75.0 before 1.75.2 contain an integer overflow vulnerability in multipart reorder-memory accounting that bypasses the configured buffer limit. Attackers can open two concurrent current-part PUT requests declaring huge lengths to wrap the signed int64 counter and retain...

CVE-2026-116188

The rclone serve s3 component in versions 1.75.0 before 1.75.2 is vulnerable to an integer overflow within the multipart reorder-memory accounting logic. This flaw allows an attacker to bypass configured buffer limits by initiating two concurrent current-part PUT requests with extremely large dec...

CVE-2026-116187 Rclone v1.68.0 before v1.75.2 Authorization Bypass in serve s3 Multipart Uploads

Rclone from v1.68.0 before v1.75.2 contains an authorization bypass vulnerability in serve s3 --auth-proxy that allows authenticated tenants to manipulate other tenants' multipart uploads by referencing their upload IDs. Attackers who learn a victim's bucket, object, and upload ID can inject part...

EUVD-2026-109445

Rclone from v1.68.0 before v1.75.2 contains an authorization bypass vulnerability in serve s3 --auth-proxy that allows authenticated tenants to manipulate other tenants' multipart uploads by referencing their upload IDs. Attackers who learn a victim's bucket, object, and upload ID can inject part...

CVE-2026-116187 Rclone v1.68.0 before v1.75.2 Authorization Bypass in serve s3 Multipart Uploads

Rclone from v1.68.0 before v1.75.2 contains an authorization bypass vulnerability in serve s3 --auth-proxy that allows authenticated tenants to manipulate other tenants' multipart uploads by referencing their upload IDs. Attackers who learn a victim's bucket, object, and upload ID can inject part...

CVE-2026-116187

Rclone versions v1.68.0 before v1.75.2 are vulnerable to an authorization bypass in the serve s3 --auth-proxy functionality. The root cause allows authenticated tenants to manipulate multipart uploads belonging to other tenants by referencing their specific upload IDs . If an attacker obtains a v...

PT-2026-123029

rclone serve s3 versions 1.75.0 before 1.75.2 contain an integer overflow vulnerability in multipart reorder-memory accounting that bypasses the configured buffer limit. Attackers can open two concurrent current-part PUT requests declaring huge lengths to wrap the signed int64 counter and retain...

BIT-RCLONE-2026-79781 rclone serve s3 Path Traversal via dot-dot object keys

rclone serve s3 before 1.74.4 contains a path traversal vulnerability that allows attackers to read and overwrite root-level files by using dot-dot segments in S3 object keys. Attackers can send requests with object keys like ../root-secret.txt to escape the bucket namespace and access files in t...

PT-2026-99020

rclone serve s3 before 1.74.4 contains a path traversal vulnerability that allows attackers to read and overwrite root-level files by using dot-dot segments in S3 object keys. Attackers can send requests with object keys like ../root-secret.txt to escape the bucket namespace and access files in t...

SUSE CVE-2026-88045

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.75.0 until 1.75.1, the serve S3 streamed multipart path in cmd/serve/s3/multipart.go passes attacker-controlled contentLength to multipart.NewRW.Reserve before reading request-body...

CVE-2026-88018

A flaw was found in rclone. When the rclone serve s3 command is configured with --auth-proxy but without --auth-key, an unauthenticated network attacker can bypass the SigV4 signature verification process. This allows the attacker to use an arbitrary access key and sign requests with an empty...

PT-2026-95842

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.75.0 until 1.75.1, the serve S3 streamed multipart path in cmd/serve/s3/multipart.go passes attacker-controlled contentLength to multipart.NewRW.Reserve before reading request-body...

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-88018

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...