Veille CVE
CVE-2026-55431
6.1 MoyenneDescription
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 `$SESSION_TOKEN` placeholder the CLI replaces it with the user's real session token before handing the URL to the OS open handler. Practical exploitation requires the victim to run `coder open app` against a workspace whose external app definition the attacker controls. Only a malicious template author can control external app URLs. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 applies a URL-scheme allowlist in the CLI and limits `$SESSION_TOKEN` substitution to trusted destinations like the web frontend. As a workaround, avoid running `coder open app` for untrusted workspaces.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.7 Élevée | security-advisories@github.com | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N |
| 3.1 | 6.1 Moyenne | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Faiblesses (CWE)
Références
- https://github.com/coder/coder/pull/26146 Issue TrackingPatch
- https://github.com/coder/coder/releases/tag/v2.29.17 Release Notes
- https://github.com/coder/coder/releases/tag/v2.32.7 Release Notes
- https://github.com/coder/coder/releases/tag/v2.33.8 Release Notes
- https://github.com/coder/coder/releases/tag/v2.34.2 Release Notes
- https://github.com/coder/coder/security/advisories/GHSA-v54h-cp2w-9x4g PatchVendor Advisory