Auth bypass in Coder
CVE-2026-111928
Coder from 2.0.0 before 2.34.8 contains an incorrect authorization vulnerability in the acl_allow rule of coderd/rbac/policy.rego, which does not verify organization membership for per-user ACL entries, and organization member removal does not scrub those entries. Authenticated users removed from an organization can keep accessing previously granted org-scoped resources such as templates and workspaces via the API.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/coder/coder/security/advisories/GHSA-7v78-w67v-pm2g (vendor-advisory)
- www.vulncheck.com/advisories/coder-2.0.0-before-2.34.8-authorization-bypass-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111928?
- CVE-2026-111928 is a medium-severity vulnerability in Coder, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2026-10-17.
- How severe is CVE-2026-111928?
- Medium severity. CVSS v3 base score is 5.4 out of 10.