CVE-2026-93371

HIGHPre-NVD 8.38.3—
EchelonGraph scoreHIGH confidence

Score 8.3 from GitHub Security Advisory published 2026-09-18. a secondary CVSS source baseline 8.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
8.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A security vulnerability has been detected in marcopiovanello yt-dlp-web-ui up to v4. This issue affects the function NewGenericDownload of the file server/internal/downloaders/generic.go. Such manipulation of the argument params leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The name of the patch is c7ad3bd79c7c520a7d17e7f2ba19d962be8e7897. A patch should be applied to remediate this issue.

CVSS v3
8.3
EG Score
8.3(high)
EG Risk
42(Track)
EG Risk 42/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity83% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
70%
KEV
Not listed

Published

September 18, 2026

Last Modified

September 18, 2026

Advisory Details (2)

Auto-updated Sep 18, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

GitHub - marcopiovanello/yt-dlp-web-ui: A terrible web ui and RPC server for yt-dlp. Designed to be self-hosted. · GitHub

https://github.com/marcopiovanello/yt-dlp-web-ui/
github_commit

commit c7ad3bd79c7c (marcopiovanello/yt-dlp-web-ui)

Fix landed in marcopiovanello/yt-dlp-web-ui commit c7ad3bd79c7c — awaiting tagged release

https://github.com/marcopiovanello/yt-dlp-web-ui/commit/c7ad3bd79c7c520a7d17e7f2ba19d962be8e7897

Vendor Advisories for CVE-2026-93371(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 13× 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.

  1. 2026-09-20 12:09 UTCGHSA enrichment
  2. 2026-09-20 00:30 UTCEG score recompute
  3. 2026-09-20 00:30 UTCGHSA enrichment
  4. 2026-09-19 12:53 UTCGHSA enrichment
  5. 2026-09-19 01:16 UTCEG score recompute
  6. 2026-09-19 01:16 UTCGHSA enrichment
  7. 2026-09-18 19:28 UTCEPSS rescore
  8. 2026-09-18 13:39 UTCGHSA enrichment
  9. 2026-09-18 03:33 UTCEG score recompute
  10. 2026-09-18 03:33 UTCGHSA enrichment
  11. 2026-09-18 03:32 UTCNVD updateCVSS v4 → 5.5
  12. 2026-09-18 02:34 UTCEG score recompute
  13. 2026-09-18 02:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-93371?
CVE-2026-93371 is a high vulnerability published on September 18, 2026. A security vulnerability has been detected in marcopiovanello yt-dlp-web-ui up to v4. This issue affects the function NewGenericDownload of the file server/internal/downloaders/generic.go. Such manipulation of the argument params leads to command injection. It is possible to launch the attack…
When was CVE-2026-93371 disclosed?
CVE-2026-93371 was first published in the National Vulnerability Database on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-93371 actively exploited?
CVE-2026-93371 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 29.7% of all scored CVEs.
What is the CVSS score of CVE-2026-93371?
CVE-2026-93371 has a CVSS v3 base score of 8.3 (NVD).
How do I remediate CVE-2026-93371?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-93371, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-93371

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