yt-dlp is a youtube-dl fork with additional features and fixes. The Generic Extractor in yt-dlp is vulnerable to an attacker setting an arbitrary proxy for a request to an arbitrary url, allowing the attacker to MITM the request made from yt-dlp's HTTP session. This could lead to cookie exfiltration in some cases. Version 2023.11.14 removed the ability to smuggle http_headers to the Generic extractor, as well as other extractors that use the same pattern. Users are advised to upgrade. Users unable to upgrade should disable the Ggneric extractor (or only pass trusted sites with trusted content) and ake caution when using --no-check-certificate.
CVE-2023-46121
This low-severity CVE scores 3.7 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 76% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.7
- EG Score
- 3.7(medium)
- EG Risk
- —
- EPSS
- 24.1%
- KEV
- Not listed
Published
November 15, 2023
Last Modified
June 17, 2026
References (6)
- security-advisories@githubhttps://github.com/yt-dlp/yt-dlp/commit/f04b5bedad7b281bee9814686bba1762bae092eb
- security-advisories@githubhttps://github.com/yt-dlp/yt-dlp/releases/tag/2023.11.14
- security-advisories@githubhttps://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-3ch3-jhc6-5r8x
- af854a3a-2127-422b-91ae-364da2661108https://github.com/yt-dlp/yt-dlp/commit/f04b5bedad7b281bee9814686bba1762bae092eb
- af854a3a-2127-422b-91ae-364da2661108https://github.com/yt-dlp/yt-dlp/releases/tag/2023.11.14
- af854a3a-2127-422b-91ae-364da2661108https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-3ch3-jhc6-5r8x
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| yt-dlp | 2022.10.4 ... 2023.9.24 (15 versions) | 2023.11.14 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 102 total refreshes for this CVE.
- 2026-07-22 23:14 UTCEG score recompute▼ 1.30
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- 2026-06-24 06:30 UTCNVD updateCVSS v3 → 3.7 · severity → LOW
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Related CVEs(same CWE)
Same CWE
10 shownCWE-444
Frequently asked(5)
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