JLSEC-2026-1123

Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-1123.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1123.json
JSON Data
https://api.osv.dev/v1/vulns/JLSEC-2026-1123
Upstream
Published
2026-08-03T19:08:57.739Z
Modified
2026-08-03T19:15:03.813022890Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. The nats-server provides an MQTT client interface. Prior to versions 2.11.15 and 2.12.5, Sessions and Messages can by hijacked via MQTT Client ID malfeasance. Versions 2.11.15 and 2.12.5 patch the issue. No known workarounds are available.

Database specific
{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "database_specific": {
                "status": "Analyzed"
            },
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33215",
            "id": "CVE-2026-33215",
            "imported": "2026-08-03T18:16:26.956Z",
            "published": "2026-03-24T21:16:28.640Z",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33215",
            "modified": "2026-06-17T10:37:08.227Z"
        }
    ]
}
References

Affected packages

Julia / nats_server_jll

Package

Name
nats_server_jll
Purl
pkg:julia/nats_server_jll?uuid=8b1691f7-6002-537d-bdf7-c6203599dc08

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.14.3+0

Database specific

source
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1123.json"