CVE-2019-1020010: Misskey before 10.102.4 allows hijacking a user's token.

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MEDIUM 6.1UPGRADE

CVE-2019-1020010 is a medium-severity flaw (CVSS 6.1) affecting misskey. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Misskey before 10.102.4 allows hijacking a user's token.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-07-29
Last modified	2026-06-17

Publisher (CNA): DWF · Vendor: misskey

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

Am I affected?

Timeline

2019-07-29 13:15 UTCPublished CVE record published
2026-06-17 02:10 UTCUpdated Record last modified

misskey misskey UPGRADE

Affected: >= 10.46.0 and < 10.102.4 · >= 11.0.0 and < 11.20.2 · 11.0.0 alpha1 · 11.0.0 alpha10 · 11.0.0 alpha2 · 11.0.0 alpha3 · 11.0.0 alpha4 · 11.0.0 alpha5

Fixed in: 10.102.4, 11.20.2

Safe to downgrade to: a release before 10.46.0

1. Check installed version

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

2. UPGRADE to 10.102.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade misskey

Note

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

3. If no update is available yet, DOWNGRADE to a release before 10.46.0 (Debian / Ubuntu)

apt-cache madison misskey sudo apt install misskey=<VERSION_BEFORE_10.46.0> sudo apt-mark hold misskey

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list misskey sudo dnf downgrade misskey-<VERSION_BEFORE_10.46.0> sudo dnf versionlock add misskey

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2019-1020010?

misskey: upgrade to 10.102.4, 11.20.2. Exact commands for each OS are on this page.

Is CVE-2019-1020010 being exploited?

CVE-2019-1020010 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-2019-1020010 affect?

CVE-2019-1020010 affects misskey. Severity is medium (CVSS 6.1). Misskey before 10.102.4 allows hijacking a user's token.

How urgent is CVE-2019-1020010?

Priority 44/100. Public exploit reference

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References

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