CVE-2026-111931 Coder 2.0.0 before 2.34.8 Open Redirect via Workspace App Proxy
Attackers can redirect users to malicious sites via crafted links on trusted subdomains, facilitating phishing attacks against Coder users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-111931?
CVE-2026-111931 is a medium-severity vulnerability in coder, published on 17 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-601
Which versions are affected by CVE-2026-111931?
How do I fix CVE-2026-111931?
No fix has been published for CVE-2026-111931 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-111931 being exploited?
There is no known exploitation of CVE-2026-111931 in the wild and no public exploit code.
Sources
Also known as GHSA-98qx-9p2x-c4wh, GHSA-gp67-53hr-2cf4.