CVE-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...

CVE-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...

CVE-2026-88017

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...

CVE-2026-88017

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...

CVE-2026-88017

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...

PT-2026-89488

Name of the Vulnerable Software and Affected Versions rclone versions 1.64.0 through 1.75.0 Description The FTP auth-proxy driver in cmd/serve/ftp/ftp.go fails to bind credentials or the Virtual File System VFS to specific authenticated sessions. Instead, it stores one obscured password per...

CVE-2026-88018: Improper Authentication

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...

CVE-2026-88018: Improper Authentication

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...

CVE-2026-88017: Exposure of Data Element to Wrong Session

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...

PT-2026-89704

Summary rclone serve s3's handler chain, when --auth-proxy is configured, is outermost first: authPairMiddleware - proxyAuthMiddleware - gofakes3's own SigV4-verifying handler. authPairMiddleware parses the accessKeyID straight out of the incoming request's own Authorization header entirely...

CVE-2026-88017: Exposure of Data Element to Wrong Session

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...

PT-2026-89689

Summary The FTP auth-proxy driver stores one obscured password per username in a server-wide map. It does not bind the credential or returned VFS to the authenticated FTP session. If two accepted credentials use the same username but resolve to different proxy backends, the later login overwrites...

grafana: Grafana: Session takeover via Auth Proxy cache key collision

On instances using Auth Proxy header authentication auth.proxy with identity caching enabled syncttl 0, two distinct user identities could produce the same cache key. An authenticated low-privileged user able to influence their own forwarded identity attributes could be served a higher-privileged...

BIT-GRAFANA-2026-14199 Session takeover via Auth Proxy cache key collision

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled syncttl greater than zero are affected. The Auth Proxy cache key concatenated the username and forwarded identity attributes without a delimiter, so distinct identities could collide on one key. An...

PT-2026-88161

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled sync ttl greater than zero are affected. The Auth Proxy cache key concatenated the username and forwarded identity attributes without a delimiter, so distinct identities could collide on one key. An...

Linux Distros Unpatched Vulnerability : CVE-2026-14199

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled syncttl greater than zero are affected. The Auth Proxy cache key...

CVE-2026-14199

On instances using Auth Proxy header authentication auth.proxy with identity caching enabled syncttl 0, two distinct user identities could produce the same cache key. An authenticated low-privileged user able to influence their own forwarded identity attributes could be served a higher-privileged...

SUSE CVE-2026-14199

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled syncttl greater than zero are affected. The Auth Proxy cache key concatenated the username and forwarded identity attributes without a delimiter, so distinct identities could collide on one key. An...

CVE-2026-14199

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled syncttl greater than zero are affected. The Auth Proxy cache key concatenated the username and forwarded identity attributes without a delimiter, so distinct identities could collide on one key. An...

CVE-2026-14199

CVE-2026-14199 affects self-managed Grafana instances with Auth Proxy authentication and identity caching enabled (sync_ttl > 0). The root cause is that the Auth Proxy cache key concatenated the username and forwarded identity attributes without a delimiter , allowing distinct identities to co...