# CVE-2023-35934: PYSEC-2026-2067 - yt-dlp File Downloader cookie leak

Source: https://junglewise.ai/threats/cve-2023-35934-yt-dlp-file-downloader-cookie-leak  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2023-35934 · Severity: low · CVSS 3.1 · Published 2026-07-07

yt-dlp File Downloader cookie leak

Technologies: [yt-dlp (PyPI)](https://junglewise.ai/threats/technologies/yt-dlp). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2023-35934 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-35934 being exploited in the wild.

**How severe is CVE-2023-35934?** Low severity, with a CVSS score of 3.1, published 7 July 2026.

**Which products and versions are affected?** yt-dlp (PyPI) ECOSYSTEM:introduced=0,fixed=2023.7.06.

**Is there a fix for CVE-2023-35934?** Yes. yt-dlp (PyPI): upgrade to 2023.7.06 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-35934?** Check whether you run yt-dlp (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- yt-dlp (PyPI): upgrade to 2023.7.06 or later

  ```sh
  pip install "yt-dlp>=2023.7.06"
  ```


## Affected products

- yt-dlp (PyPI) ECOSYSTEM:introduced=0,fixed=2023.7.06

## Identifiers

- CVE-2023-35934
- GHSA-v8mc-9377-rwjj
- PYSEC-2026-2067

## Related threats

- [PYSEC-2026-3432 - yt-dlp: Arbitrary Command Injection when using the `--netrc-cmd` option](https://junglewise.ai/threats/cve-2026-26331-yt-dlp-arbitrary-command-injection-when-using-the-netrc-cmd)
- [yt-dlp and youtube-dl command injection in shortcut file generation](https://junglewise.ai/threats/cve-2026-55404-yt-dlp-and-youtube-dl-command-injection-in-shortcut-file)
- [PYSEC-2026-2065 - yt-dlp File system modification and RCE through improper file-extension sanitization](https://junglewise.ai/threats/cve-2024-38519-yt-dlp-file-system-modification-and-rce-through-improper-file)
- [PYSEC-2026-2066 - yt-dlp: `--exec` command injection when using `%q` in yt-dlp on Windows (Bypass of )](https://junglewise.ai/threats/cve-2024-22423-yt-dlp-exec-command-injection-when-using-q-in-yt-dlp-on-windows)
- [PYSEC-2026-2063 - yt-dlp Generic Extractor MITM Vulnerability via Arbitrary Proxy Injection](https://junglewise.ai/threats/cve-2023-46121-yt-dlp-generic-extractor-mitm-via-arbitrary-proxy-injection)