CVE-2026-26331
Command injection via --netrc-cmd in yt-dlp allows arbitrary code execution.
Is CVE-2026-26331 being exploited?
Not confirmed. CVE-2026-26331 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.6% probability of exploitation in the next 30 days.
How severe is CVE-2026-26331?
CVE-2026-26331 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-26331?
Yes. A fix has been recorded for CVE-2026-26331. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-26331 affect?
CVE-2026-26331 affects yt-dlp (pre-2026-02-21). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-26331?
Upgrade to 2026.02.21+; avoid --netrc-cmd/netrc_cmd until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary command execution on user system via crafted URL when using --netrc-cmd/netrc_cmd.
Patch when possible
- affected>= 2023.06.21 and < 2026.02.21
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.