CVE-2026-49949 CodexBar < 0.33.0 Credential Leakage via HTTP Redirect
Network-adjacent attackers can intercept sensitive credentials by redirecting HTTP requests to malicious hosts, exposing API keys and tokens.
- 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-2026-49949?
CVE-2026-49949 is a medium-severity vulnerability in steipete CodexBar, published on 11 Jun 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
CodexBar before 0.33.0 contains a credential forwarding vulnerability that allows network-adjacent attackers to intercept sensitive credentials by issuing cross-origin or HTTP-downgrade redirects to the shared ProviderHTTPClient transport. Attackers can redirect credentialed provider requests carrying browser cookies, bearer tokens, or API keys to an unintended host, port, or plaintext HTTP destination to capture those credentials.
Weakness: CWE-522
Which versions are affected by CVE-2026-49949?
How do I fix CVE-2026-49949?
No fix has been published for CVE-2026-49949 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-49949 being exploited?
There is no known exploitation of CVE-2026-49949 in the wild and no public exploit code.
Sources
Also known as GHSA-42m6-xh7c-6xm4.