CVE-2026-111058

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Source
https://cve.org/CVERecord?id=CVE-2026-111058
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111058.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-111058
Aliases
Published
2026-10-19T16:06:22Z
Modified
2026-10-20T02:44:16Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Mercury: Unauthenticated Remote Code Execution via /api/kernels
Details

Mercury is a Python framework for sharing Jupyter notebooks as web applications and dashboards. Prior to 3.2.6, default tokenless deployments allow anonymous clients to create Jupyter kernels and send execute_request messages containing arbitrary Python. The endpoint blocklist does not cover /api/kernels, and the websocket wrapper previously tracked idle activity without authorizing executable messages. This issue is fixed in version 3.2.6.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-862"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111058.json"
}
References

Affected packages

Git / github.com/mljar/mercury

Affected ranges

Type
GIT
Repo
https://github.com/mljar/mercury
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
342cc04d692487ae6fa2683353cb30d8961e8334
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "3.2.6"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

v0.*
v0.2.0
v0.4.0
v0.4.1
v0.5.1
v0.6.0
v0.6.10
v0.6.8
v0.7.0
v0.8.0
v0.8.6
v1.*
v1.0.0
v1.0.1
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.1.6
v2.*
v2.0.0
v2.0.10
v2.0.12
v2.0.4
v2.0.7
v2.0.8
v2.0.9
v2.1.0
v2.1.1
v2.1.2
v2.2.0
v2.2.1
v2.2.6
v2.2.7
v2.2.8
v2.2.9
v2.3.0
v2.3.1
v2.3.10
v2.3.5
v2.3.6
v2.3.7
v2.3.8
v2.3.9
v2.4.1
v2.4.2
v2.4.3
v3.*
v3.0.0
v3.0.1
v3.1.0
v3.1.1
v3.1.2
v3.2.0
v3.2.1
v3.2.2
v3.2.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111058.json"