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CVE-2026-111931— Coder 2.0.0 before 2.34.8 Open Redirect via Workspace App Proxy

Quick assessment

Affected
coder coder
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Coder 2.0.0 至 2.34.8 之前的版本在 函数中存在开放重定向漏洞。该漏洞允许攻击者利用未经验证的 值，将用户重定向到外部站点。攻击者可在可信的工作区应用子域上构造以双斜杠（ ）开头的路径，从而生成指向攻击者站点的协议相对重定向链接，用于网络钓鱼攻击。

CVSS 4.3 · Medium EPSS 0.17% · P5

Affected Version Matrix 2

VendorProduct Version RangeStatus
coder coder 2.0.0< 2.34.8 affected
2.34.8 unaffected
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I. Basic Information for CVE-2026-111931

Vulnerability Information
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Vulnerability Title
Coder 2.0.0 before 2.34.8 Open Redirect via Workspace App Proxy
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
coder coder 2.0.0 ~ 2.34.8 -

II. Public POCs for CVE-2026-111931

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III. Intelligence Information for CVE-2026-111931

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Vendor Advisories for CVE-2026-111931 (2)

Same Patch Batch · coder · 2026-10-17 · 11 CVEs total

CVE-2026-111927 7.7 HIGH Coder before 2.35.4 Credential Theft via Workspace Proxy Hostname Prefix Match
CVE-2026-111928 5.4 MEDIUM Coder 2.0.0 before 2.34.8 Authorization Bypass via User-Level ACL in RBAC Policy
CVE-2026-111929 5.3 MEDIUM Coder 2.30.0 before 2.34.8 Cross-Organization File Disclosure via DownloadFile RPC
CVE-2024-58398 4.3 MEDIUM Coder 2.3.1 before 2.16.1 Open Redirect via Login Page redirect Parameter
CVE-2026-111930 4.3 MEDIUM Coder from 2.26.0 before 2.34.8 Information Disclosure via Workspace ACL Endpoint
CVE-2025-71435 4.2 MEDIUM Coder before 2.23.0 Session Expiration Bypass via OIDC Without Refresh Token
CVE-2026-111933 3.7 LOW Coder before 2.34.2 User Enumeration via Login Placeholder Hash
CVE-2026-111934 3.7 LOW Coder before 2.34.7 IP Spoofing via X-Forwarded-For Header
CVE-2026-111932 3.4 LOW Coder before 2.34.2 Stored HTML Injection via Appearance Settings
CVE-2026-111926 3.3 LOW Coder from 2.10.0 before 2.34.8 Information Disclosure via Agent /debug/manifest

IV. Related Vulnerabilities

Same product: coder
Same vendor: coder
Same weakness: CWE-601

V. Comments for CVE-2026-111931

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