JLSEC-2026-1288

See a problem?
Please try reporting it to the source first.

Source

https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-1288.md

Import Source

https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1288.json

JSON Data

https://api.test.osv.dev/v1/vulns/JLSEC-2026-1288

Upstream

CVE-2021-41819

Published

2026-08-13T09:49:53Z

Modified

2026-08-13T10:00:03Z

Severity

5.0 CVSS_V2 - AV:N/AC:L/Au:N/C:N/I:P/A:N (Source: NVD) CVSS Calculator
7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N (Source: NVD) CVSS Calculator

Summary

[none]

Details

CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.

Database specific

{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "database_specific": {
                "status": "Modified"
            },
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41819",
            "id": "CVE-2021-41819",
            "imported": "2026-08-12T15:35:15.514Z",
            "modified": "2026-06-17T04:08:57.577Z",
            "published": "2022-01-01T06:15:07.293Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-41819"
        }
    ]
}

References

Affected packages

Julia / ruby_jll

Package

Name: ruby_jll
Purl: pkg:julia/ruby_jll?uuid=3ea333e9-fd8a-53ca-adba-366e8551b7d5

Affected ranges

Type: SEMVER
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Database specific

source

"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1288.json"