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CVE-2026-55404

yt-dlp and youtube-dl are command-line audio/video downloaders. Prior to 2026.7.4, the --write-link, --write-url-link, and --write-desktop-link options can write .url or .desktop shortcut files using attacker-controlled webpage_url or filename metadata without sufficient validation or escaping, allowing malicious file:// URI injection on Windows or newline-based desktop entry key injection on Linux that can execute commands if the generated shortcut is opened. This issue is fixed in version 2026
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c1c748e32f343f0c825b1186269d45749af9b58faff1a6c99b1f8b9da461ff7b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"yt-dlp","vendor":"yt-dlp","versions":[{"status":"affected","version":"< 2026.7.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7855dffe98c649fe62d2be60b02cc49ada83e77a81b81e621257117333fe9fa8 · sha256:e38b9a11c2e58295… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7855dffe98c649fe62d2be60b02cc49ada83e77a81b81e621257117333fe9fa8 · sha256:e38b9a11c2e58295… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-74","description":"CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7855dffe98c649fe62d2be60b02cc49ada83e77a81b81e621257117333fe9fa8 · sha256:e38b9a11c2e58295… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/yt-dlp/yt-dlp/commit/b6590aaa1e3808155d69c9a79a797ae484163789","tags":["x_refsource_MISC"],"url":"https://github.com/yt-dlp/yt-dlp/commit/b6590aaa1e3808155d69c9a79a797ae484163789"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7855dffe98c649fe62d2be60b02cc49ada83e77a81b81e621257117333fe9fa8 · sha256:e38b9a11c2e58295… · /containers/cna/references/1
{"name":"https://github.com/yt-dlp/yt-dlp/releases/tag/2026.07.04","tags":["x_refsource_MISC"],"url":"https://github.com/yt-dlp/yt-dlp/releases/tag/2026.07.04"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7855dffe98c649fe62d2be60b02cc49ada83e77a81b81e621257117333fe9fa8 · sha256:e38b9a11c2e58295… · /containers/cna/references/2
{"name":"https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-6v4j-43gg-vj32","tags":["x_refsource_CONFIRM"],"url":"https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-6v4j-43gg-vj32"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7855dffe98c649fe62d2be60b02cc49ada83e77a81b81e621257117333fe9fa8 · sha256:e38b9a11c2e58295… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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