Coder: Devcontainer recreate endpoint missing write authorization allows read-only roles to destroy containers

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Summary

CVECVE-2026-55433
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-08 01:16:27 UTC
Updated2026-07-08 01:16:27 UTC
DescriptionCoder 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, the devcontainer recreate endpoint relied on route middleware that checked only `ActionRead` on the workspace and, unlike the sibling delete endpoint, performed no `ActionUpdate` check before triggering the destructive rebuild. Exploitation requires an existing low-privilege role with access to the target workspace. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 adds an explicit `ActionUpdate` authorization check before the agent is dialed like the delete endpoint. No known workarounds are available.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Problem Types: CWE-862 | CWE-862 CWE-862: Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
3.1CNADECLARED5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Coder Coder affected >= 2.34.0, < 2.34.2 Not specified
CNA Coder Coder affected >= 2.33.0, < 2.33.8 Not specified
CNA Coder Coder affected >= 2.30.0, < 2.32.7 Not specified
CNA Coder Coder affected < 2.29.17 Not specified

References

ReferenceSourceLinkTags
github.com/coder/coder/releases/tag/v2.34.2 [email protected] github.com
github.com/coder/coder/releases/tag/v2.29.17 [email protected] github.com
github.com/coder/coder/releases/tag/v2.32.7 [email protected] github.com
github.com/coder/coder/security/advisories/GHSA-jqj2-x4c5-jfxm [email protected] github.com
github.com/coder/coder/releases/tag/v2.33.8 [email protected] github.com
github.com/coder/coder/pull/25812 [email protected] github.com
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