CVE-2026-33890: MyTube is a self-hosted downloader and player for several video websites Prior to version 1.8.71, an unauthent

Q: How do I fix CVE-2026-33890?

mytube: upgrade to 1.8.71. Exact commands for each OS are on this page.

Q: Is CVE-2026-33890 being exploited?

CVE-2026-33890 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33890 affect?

CVE-2026-33890 affects mytube. Severity is critical (CVSS 9.8). MyTube is a self-hosted downloader and player for several video websites Prior to version 1.8.71, an unauthenticated attacker can register an arbitrary passkey and subsequently authenticate with it to obtain a full admin session. The applic

Q: How urgent is CVE-2026-33890?

Priority 58/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-33890 is a critical-severity flaw (CVSS 9.8) affecting mytube. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MyTube is a self-hosted downloader and player for several video websites Prior to version 1.8.71, an unauthenticated attacker can register an arbitrary passkey and subsequently authenticate with it to obtain a full admin session. The application exposes passkey registration endpoints without requiring prior authentication. Any successfully authenticated passkey is automatically granted an administrator token, allowing full administrative access t

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-03-27
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: franklioxygen

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-27 01:16 UTCPublished CVE record published
2026-06-17 10:38 UTCUpdated Record last modified

franklioxygen mytube UPGRADE

Affected: < 1.8.71

Fixed in: 1.8.71

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mytube || rpm -q mytube || mytube --version

2. UPGRADE to 1.8.71 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mytube

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mytube

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora ELN · fonttools · FIXED · 4.68.0-1.eln159 · FEDORA-2026-37fa4b964c · source

sudo dnf upgrade --advisory=FEDORA-2026-37fa4b964c

Fedora 46 · fonttools · FIXED · 4.68.0-1.fc46 · FEDORA-2026-65d6c01c75 · source

sudo dnf upgrade --advisory=FEDORA-2026-65d6c01c75

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/franklioxygen/MyTube/security/advisories/GHSA-378w-xh68-qrc8

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33890?

mytube: upgrade to 1.8.71. Exact commands for each OS are on this page.

Is CVE-2026-33890 being exploited?

CVE-2026-33890 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33890 affect?

CVE-2026-33890 affects mytube. Severity is critical (CVSS 9.8). MyTube is a self-hosted downloader and player for several video websites Prior to version 1.8.71, an unauthenticated attacker can register an arbitrary passkey and subsequently authenticate with it to obtain a full admin session. The applic

How urgent is CVE-2026-33890?

Priority 58/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-33935 HIGH 7.5 UPGRADE MyTube is a self-hosted downloader and player for several video websites Prior to version 1.8.72, an unauthent
CVE-2026-33735 HIGH 8.8 UPGRADE MyTube is a self-hosted downloader and player for several video websites Prior to version 1.8.69, an authoriza
CVE-2026-24140 LOW 2.7 UPGRADE MyTube is a self-hosted downloader and player for several video websites
CVE-2026-24139 MEDIUM 6.5 UPGRADE MyTube is a self-hosted downloader and player for several video websites

References

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