CVE-2026-49135 CodexBar < 0.32.0 Insecure Temporary File Handling in Notarization Workflow
Local attackers can read API keys or tamper with build artifacts by exploiting predictable temporary file paths in the notarization workflow.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-49135?
CVE-2026-49135 is a high-severity path traversal vulnerability in steipete CodexBar, published on 1 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
CodexBar prior to 0.32.0 contains an insecure temporary file handling vulnerability that allows local attackers to access sensitive credentials or tamper with build artifacts by exploiting predictable file paths in the release notarization workflow. Attackers with access to the same host can read the App Store Connect API key written to a fixed path, pre-create files or symbolic links at predictable locations to redirect writes to attacker-controlled destinations, or tamper with notarization archives before submission.
Which versions are affected by CVE-2026-49135?
How do I fix CVE-2026-49135?
No fix has been published for CVE-2026-49135 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-49135 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-49135 exists.
Sources
Also known as GHSA-8v4r-w49g-jc9w.