CVE-2026-111931

MEDIUM 4.3

Coder 2.0.0 before 2.34.8 Open Redirect via Workspace App Proxy

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

Coder from 2.0.0 before 2.34.8 contains an open redirect vulnerability in handleAPIKeySmuggling that allows attackers to redirect users externally via unsanitized r.URL.Path values. Attackers can craft links on trusted workspace app subdomains with paths beginning with double slashes, which become scheme-relative redirects to attacker sites for phishing.

CWE	CWE-601
Vendor	coder
Product	coder
Published	Oct 17, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

coder / coder

2.0.0 < 2.34.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/coder/coder/security/advisories/GHSA-98qx-9p2x-c4wh vulncheck.com: https://www.vulncheck.com/advisories/coder-2.0.0-before-2.34.8-open-redirect-via-workspace-app-proxy