TI-2026-76134 Aliases CVE-2026-111929 GHSA-4rvr-p6cc-jh6c

Coder bypass exposes other organizations' Terraform module files

LOW 26CWE-863Published 2026-10-17 · Updated 2026-10-19

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: High
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

Coder from 2.30.0 before 2.34.8 contains an authorization bypass in the provisioner daemon DownloadFile gRPC handler (CWE-863). An authenticated provisioner daemon with an org-scoped key and a known file UUID can download cached Terraform module archives belonging to other organizations. The archives can expose infrastructure topology or embedded secrets.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Coder from 2.30.0 before 2.34.8 contains an authorization bypass vulnerability in the provisioner daemon DownloadFile gRPC handler that allows authenticated provisioner daemons to download other organizations' cached Terraform module archives. Attackers with an org-scoped provisioner key and a known file UUID can retrieve module source code exposing infrastructure topology or embedded secrets.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00199 9th percentileScored 2026-11-07

Fix Fixed coder (coder): 2.34.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
coder	coder	2.30.0 to before 2.34.8	2.34.8	Patch available	CNA

coder Vendorcoder Affected 2.30.0 to before 2.34.8 Fixed in 2.34.8 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:coder:coder::::::::	—	—	coder

cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:* Versions — — ·coder

Remediation

Update Coder to version 2.34.8.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fix · CNA coder (coder) Fixed in 2.34.8

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-10-17
coder 2.34.8
6 records Highest priority Priority LOW 6 LOW
Other records, highest priority first
- TI-2026-76132 Hostname prefix match in Coder workspace proxy leaks API keysPriority LOW 39
- TI-2026-76136 Open redirect in Coder via workspace app proxyPriority LOW 23
- TI-2026-76135 Information disclosure in Coder workspace ACL endpointPriority LOW 23
Show all 6 records →

Timeline

2026-10-18 Threatist record created from CVE-2026-111929
2026-10-18 Alias added: GHSA-4rvr-p6cc-jh6c
2026-10-18 Priority changed: MEDIUM → LOW
2026-10-19 CISA SSVC decision points changed

References

Advisory 1

GitHub Security Advisory (GHSA-hrhj-hpwc-9hmc)

TI-2025-29799 code-server session cookie can be extracted by having user visit specially crafted proxy URL CVSS 3.1HIGH 8.3
TI-2025-37344 AgentAPI exposed user chat history via a DNS rebinding attack CVSS 3.1MEDIUM 6.5
TI-2026-34071 Coder: PKCS#7 signature bypass in Azure instance identity allows unauthenticated agent token theft CVSS 3.1CRITICAL 9.1
TI-2026-32394 Coder vulnerable to workspace auto-creation via crafted URL parameters without user consent CVSS 3.1HIGH 8.8
TI-2026-27585 Code Extension Marketplace has a Zip Slip Path Traversal CVSS 4.0HIGH 8.7
TI-2024-18523 Coder's OIDC authentication allows email with partially matching domain to register CVSS 3.1HIGH 8.2

See all 42 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences