CVE-2022-21667: soketi is an open-source WebSockets server

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HIGH 7.5REMOTEUPGRADE

CVE-2022-21667 is a high-severity flaw (CVSS 7.5) affecting soketi. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

soketi is an open-source WebSockets server. There is an unhandled case when reading POST requests which results in the server crashing if it could not read the body of a request. In the event that a POST request is sent to any endpoint of the server with an empty body, even unauthenticated with the Pusher Protocol, it will crash the server. All users that run the server are affected by this vulnerability and it's highly recommended to upgrade to

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-755
Published	2022-01-10
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: soketi project

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

Am I affected?

Timeline

2022-01-10 14:12 UTCPublished CVE record published
2026-06-17 04:26 UTCUpdated Record last modified

soketi project soketi UPGRADE

Affected: < 0.24.1

Fixed in: 0.24.1

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls soketi

2. UPGRADE to 0.24.1

npm install soketi@">=0.24.1"

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-2022-21667?

soketi: upgrade to 0.24.1. Exact commands for each OS are on this page.

Is CVE-2022-21667 being exploited?

CVE-2022-21667 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-2022-21667 affect?

CVE-2022-21667 affects soketi. Severity is high (CVSS 7.5). soketi is an open-source WebSockets server. There is an unhandled case when reading POST requests which results in the server crashing if it could not read the body of a request. In the event that a POST request is sent to any endpoint of t

How urgent is CVE-2022-21667?

Priority 50/100. High severity; Remotely exploitable, no login, no user action

References

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