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CVE-2026-55433
5.4 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): Low (L)
- Availability (A): Low (L)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): Low (L)
- Modified Availability (MA): Low (L)
Activity log
- Created & dismissed (max. allowed matches exceeded) suggestion
Coder: Devcontainer recreate endpoint missing write authorization allows read-only roles to destroy containers
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, 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.
References
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https://github.com/coder/coder/security/advisories/GHSA-jqj2-x4c5-jfxm x_refsource_CONFIRM
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https://github.com/coder/coder/pull/25812 x_refsource_MISC
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https://github.com/coder/coder/releases/tag/v2.29.17 x_refsource_MISC
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https://github.com/coder/coder/releases/tag/v2.32.7 x_refsource_MISC
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https://github.com/coder/coder/releases/tag/v2.33.8 x_refsource_MISC
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https://github.com/coder/coder/releases/tag/v2.34.2 x_refsource_MISC
Affected products
coder
- ==>= 2.34.0, < 2.34.2
- ==>= 2.30.0, < 2.32.7
- ==>= 2.33.0, < 2.33.8
- ==< 2.29.17