CVE-2022-29946

mediumpriority · track · 0OT risk · elevatedEPSS 0.005 · 41 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.48% (41st) EPSS

CVSS 6.3 · medium

Is it mine?

4 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · osv

EPSS · scored 2026-10-27

NATS.io NATS Server before 2.8.2 and Streaming Server before 0.24.6 could allow a remote attacker to bypass security restrictions, caused by the failure to enforce negative user permissions in one scenario. By using a queue subscription on the wildcard, an attacker could exploit this vulnerability to allow denied subjects.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Lsecondary · ENISA EU

v3.16.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Lsecondaryexploitability 2.8 · impact 3.4

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · OSV

v3.15.8mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863US

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Go github.com/nats-io/nats-serverall versionsosvUSpkg:golang/github.com/nats-io/nats-server
Go github.com/nats-io/nats-server/v2< 2.8.2osvUSpkg:golang/github.com/nats-io/nats-server/v2
Go github.com/nats-io/nats-streaming-server< 0.24.6osvUSpkg:golang/github.com/nats-io/nats-streaming-server

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-2h2x-8hh2-mfq8NATS Server and Streaming Server fails to enforce negative user permissions, may allow denied subjects2024-07-11ghsa · osvUS
NATS.io NATS Server before 2.8.2 and Streaming Server before 0.24.6 could allow a remote attacker to bypass security restrictions, caused by the failure to enforce negative user permissions in one scenario. By using a queue subscription on the wildcard, an attacker could exploit this vulnerability to allow denied subjects.
GO-2024-2980NATS Server and Streaming Server fails to enforce negative user permissions, may allow denied subjects in github.com/nats-io/nats-server2024-07-12vendor · osvUS
NATS Server and Streaming Server fails to enforce negative user permissions, may allow denied subjects in github.com/nats-io/nats-server

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv NVD CVE.org MITRE

published 2024-07-11modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan