Improper Input Validation

github.com/coder/coder is vulnerable to Improper Input Validation. The vulnerability is due to insufficient validation of the scheme and host in external workspace application URLs before substituting the $SESSIONTOKEN placeholder, which allows an attacker controlling a malicious workspace templa...

CVE-2026-55884: Missing Authentication for Critical Function

Tilt defines dev environments as code for microservice apps on Kubernetes. From 0.20.8 through 0.37.3, the Tilt HUD HTTP server registers handlers on a gorilla/mux router with no authenticating middleware. When the HUD is bound to a non-loopback address, an unauthenticated network caller can...

PAN-OS: Information Disclosure Vulnerability in Management Web Interface

An information disclosure vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web interface to obtain web session tokens. This requires a legitimate user to first click on a malicious link provided by the attacker. The...

CVE-2026-55431

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the...

CVE-2026-55431 Coder's session token leaked to arbitrary hosts via `coder open app` for external workspace apps

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the...

CVE-2026-55431 Coder's session token leaked to arbitrary hosts via `coder open app` for external workspace apps

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the...

CVE-2026-55431 Coder's session token leaked to arbitrary hosts via `coder open app` for external workspace apps

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the...

CVE-2026-55431

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the...

EUVD-2026-42140

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the...

CVE-2026-55431

Coder prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 is vulnerable to session-token leakage via coder open app for external workspace apps. The CLI opens external workspace-app URLs without validating scheme/host, and if a URL contains the placeholder $SESSION_TOKEN, the token is substitute...

CVE-2026-55431: Insufficiently Protected Credentials

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the...

CVE-2026-46354

Coder allows organizations to provision remote development environments via Terraform. In versions prior tp 2.24.5, 2.29.13, 2.30.8, 2.31.12, 2.32.2, and 2.33.3, azureidentity.Validate verifies that the PKCS7 signer certificate chains to a trusted Azure CA but never verifies the PKCS7 signature...

EUVD-2026-42111

Coder allows organizations to provision remote development environments via Terraform. In versions prior tp 2.24.5, 2.29.13, 2.30.8, 2.31.12, 2.32.2, and 2.33.3, azureidentity.Validate verifies that the PKCS7 signer certificate chains to a trusted Azure CA but never verifies the PKCS7 signature...

CVE-2026-46354

Coder allows organizations to provision remote development environments via Terraform. In versions prior tp 2.24.5, 2.29.13, 2.30.8, 2.31.12, 2.32.2, and 2.33.3, azureidentity.Validate verifies that the PKCS7 signer certificate chains to a trusted Azure CA but never verifies the PKCS7 signature...

GO-2026-5924 Coder's session token leaked to arbitrary hosts via `coder open app` for external workspace apps in github.com/coder/coder

Coder's session token leaked to arbitrary hosts via coder open app for external workspace apps in github.com/coder/coder...

CVE-2026-46354: Improper Verification of Cryptographic Signature

Coder allows organizations to provision remote development environments via Terraform. In versions prior tp 2.24.5, 2.29.13, 2.30.8, 2.31.12, 2.32.2, and 2.33.3, azureidentity.Validate verifies that the PKCS7 signer certificate chains to a trusted Azure CA but never verifies the PKCS7 signature...

GHSA-V54H-CP2W-9X4G Coder's session token leaked to arbitrary hosts via `coder open app` for external workspace apps

Summary coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the CLI replaces it with the user's real session token before handing the URL to the OS open handler. Note: Practical exploitation requir...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via the coder open app process. An attacker can obtain a user's session token and impersonate their account by crafting a malicious external app URL containing a session token placeholder, which is then replaced with the...

Coder's session token leaked to arbitrary hosts via `coder open app` for external workspace apps

Summary coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the CLI replaces it with the user's real session token before handing the URL to the OS open handler. Note: Practical exploitation requir...

PT-2026-56075

Name of the Vulnerable Software and Affected Versions Coder versions prior to 2.29.17 Coder versions prior to 2.32.7 Coder versions prior to 2.33.8 Coder versions prior to 2.34.2 Description The coder open app command opens external workspace-app URLs without validating the scheme or host. If an...