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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-55429

38
FAUCET Score

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, `UpsertWorkspaceApp` overwrites an existing app's `agent_id` on a primary-key conflict and `insertAgentApp` accepts the app ID from the provisioner's `CompleteJob` payload without verifying it belongs to the workspace being built. `CompleteJob` runs under `dbauthz.AsProvisionerd` so the authorization layer does not block the cross-workspace upsert. Exploitation requires elevated access as a template author or external provisioner operator. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 verifies that any existing `workspace_apps` row matching the supplied ID belongs to the workspace being built and rejects cross-workspace agent reassignment. No known workarounds are available.

First published: Jul 8, 2026Last modified: Jul 8, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 2.29.17CPE matchmatch criteria
cpe:2.3:a:coder:coder:*:*:*:*:*:go:*:*
>= 2.30.0, < 2.32.7CPE matchmatch criteria
cpe:2.3:a:coder:coder:*:*:*:*:*:go:*:*
>= 2.33.0, < 2.33.8CPE matchmatch criteria
cpe:2.3:a:coder:coder:*:*:*:*:*:go:*:*
>= 2.34.0, < 2.34.2CPE matchmatch criteria
cpe:2.3:a:coder:coder:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 3.1

8.7HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.29%
Probability of exploitation in next 30 days
EPSS Percentile
20.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0029 is in the 2nd percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/coder/coder/v2Fixed in: 2.34.2
gopatch availablevia ghsa
Product: github.com/coder/coder/v2Fixed in: 2.33.8
gopatch availablevia ghsa
Product: github.com/coder/coder/v2Fixed in: 2.32.7
gopatch availablevia ghsa
Product: github.com/coder/coder/v2Fixed in: 2.29.17

Vendor Advisories (1)

goGHSA-9rjw-3gwp-f59vhigh

Coder's workspace app upsert allows cross-workspace agent rebinding via user-controlled app ID

Jul 6, 2026

References

github.com / coder/coder/pull/26103
Issue TrackingPatch
github.com / coder/coder/releases/tag/v2.29.17
Release Notes
github.com / coder/coder/releases/tag/v2.32.7
Release Notes
github.com / coder/coder/releases/tag/v2.33.8
Release Notes
github.com / coder/coder/releases/tag/v2.34.2
Release Notes
github.com / coder/coder/security/advisories/GHSA-9rjw-3gwp-f59v
PatchVendor Advisory