7.4

CVE-2026-55075

Coder vulnerable to OIDC account takeover via email-based user matching and email_verified bypass

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, two flaws in Coder's OIDC login chained into account takeover. Email-based user matching fell back to linking by email without checking for an existing link to a different IdP subject and the `email_verified` claim was only enforced when present as a boolean `false` so an absent or non-boolean claim was treated as verified. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 restricts the email fallback to first-time and legacy linking and defaults `email_verified` to false when the claim is absent or of an unexpected type. As a workaround, configure the OIDC provider to disallow self-registration or to require email verification before issuing tokens.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
CoderCoder SwPlatformgo Version < 2.29.17
CoderCoder SwPlatformgo Version >= 2.30.0 < 2.32.7
CoderCoder SwPlatformgo Version >= 2.33.0 < 2.33.8
CoderCoder SwPlatformgo Version >= 2.34.0 < 2.34.2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.29% 0.206
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 7.4 2.2 5.2
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

CWE-289 Authentication Bypass by Alternate Name

The product performs authentication based on the name of a resource being accessed, or the name of the actor performing the access, but it does not properly check all possible names for that resource or actor.

https://github.com/coder/coder/releases/tag/v2.32.7
Release Notes
https://github.com/coder/coder/releases/tag/v2.33.8
Release Notes
https://github.com/coder/coder/releases/tag/v2.34.2
Release Notes
https://github.com/coder/coder/security/advisories/GHSA-9r87-mvcw-x35f
Patch
Vendor Advisory
https://github.com/coder/coder/pull/25712
Patch
Issue Tracking
https://github.com/coder/coder/pull/25713
Patch
Issue Tracking
https://github.com/coder/coder/releases/tag/v2.29.17
Release Notes