CVE-2026-111927 Coder - Broken Access Control

Coder before 2.29.20, 2.33.0 before 2.33.12, 2.34.0 before 2.34.8, and 2.35.0 before 2.35.4 contains an improper hostname validation flaw in GetWorkspaceProxyByHostname, letting attackers owning a prefix domain capture and replay API keys to access victim's workspace apps, exploit requires victim authentication and interaction.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.21% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Published
17 October 2026
Updated
19 October 2026
Weakness
CWE-522

Vendor fix

Update to versions 2.29.20, 2.33.12, 2.34.8, 2.35.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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