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The Wire · Showcase

CODEX FIXES IMAGE TRANSPARENCY AND PATH RESOLUTION VULNERABILITIES

By RepoJournal · Filed · About OpenAI

1 person shipped this

Codex shipped native transparency support for image generation and patched a directory traversal risk in project path resolution.

The image generation skill now uses built-in transparency requests instead of chroma-key workarounds, with explicit CLI fallback confirmation between model versions [1]. Two separate patches tightened line-ending handling: a feature flag preserves CRLF and mixed endings in apply_patch operations [2], while a new PreserveLineEndings mode offers opt-in protection without breaking existing APIs [3]. Plugin installation tracking improved with the addition of installAttemptId forwarding to remote systems, letting clients correlate requests with specific attempts [5]. The most critical fix bounds Cursor project path resolution to 128 probes instead of recursive directory scanning, closing a potential DoS vector on large filesystem trees [4].

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Action items

References

  1. [1] Use native transparency in the imagegen skill ↗ openai/codex
  2. [2] Add a feature flag to preserve apply_patch line endings ↗ openai/codex
  3. [3] Add a line-ending preservation mode to `apply_patch` ↗ openai/codex
  4. [4] Bound Cursor project path resolution ↗ openai/codex
  5. [5] Forward install attempt IDs for remote plugins ↗ openai/codex

Quick answers

What shipped in OpenAI on August 10, 2026?
Codex shipped native transparency support for image generation and patched a directory traversal risk in project path resolution. In total, 8 commits and 8 pull requests landed.
Who contributed to OpenAI on August 10, 2026?
1 developer shipped this update, including copyberry.
What were the notable OpenAI updates?
Use native transparency in the imagegen skill, Add a feature flag to preserve apply_patch line endings, and Add a line-ending preservation mode to `apply_patch`.

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