JLSEC-2026-371

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Source

https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-371.md

Import Source

https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-371.json

JSON Data

https://api.osv.dev/v1/vulns/JLSEC-2026-371

Upstream

CVE-2026-5246

EUVD-2026-18184

GHSA-hm7q-jq63-pr78

Published

2026-04-30T19:30:31.295Z

Modified

2026-04-30T20:02:32.180544383Z

Severity

2.9 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator

Summary

A vulnerability was determined in Cesanta Mongoose up to 7.20. Affected is the function...

Details

A vulnerability was determined in Cesanta Mongoose up to 7.20. Affected is the function mgtlsverifycertsignature of the file mongoose.c of the component P-384 Public Key Handler. Executing a manipulation can lead to authorization bypass. The attack can be executed remotely. Attacks of this nature are highly complex. The exploitability is told to be difficult. The exploit has been publicly disclosed and may be utilized. Upgrading to version 7.21 is able to address this issue. This patch is called 0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Database specific

{
    "sources": [
        {
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-5246",
            "database_specific": {
                "status": "Analyzed"
            },
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5246",
            "modified": "2026-04-29T21:39:22.537Z",
            "id": "CVE-2026-5246",
            "imported": "2026-04-30T18:54:48.060Z",
            "published": "2026-04-02T10:16:17.763Z"
        },
        {
            "url": "https://api.github.com/advisories/GHSA-hm7q-jq63-pr78",
            "html_url": "https://github.com/advisories/GHSA-hm7q-jq63-pr78",
            "modified": "2026-04-02T12:31:13Z",
            "id": "GHSA-hm7q-jq63-pr78",
            "imported": "2026-04-30T18:55:47.995Z",
            "published": "2026-04-02T12:31:05Z"
        },
        {
            "url": "https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-18184",
            "html_url": "https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-18184",
            "modified": "2026-04-02T13:07:02Z",
            "id": "EUVD-2026-18184",
            "imported": "2026-04-30T18:55:01.126Z",
            "published": "2026-04-02T09:45:11Z"
        }
    ],
    "license": "CC-BY-4.0"
}

References

Affected packages

Julia / Mongoose_jll

Package

Name: Mongoose_jll
Purl: pkg:julia/Mongoose_jll?uuid=0a8a3f5b-4c0e-5906-8e29-5b3fee15539c

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

7.21.0+0

Database specific

source

"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-371.json"