JLSEC-2026-1206

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Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-1206.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1206.json
JSON Data
https://api.test.osv.dev/v1/vulns/JLSEC-2026-1206
Upstream
  • EUVD-2026-29927
Published
2026-08-07T20:11:58.984Z
Modified
2026-08-07T20:15:05.809980069Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

curl might erroneously pass on credentials for a first proxy to a second proxy.

This can happen when the following conditions are true:

  1. curl is setup to use specific different proxies for different URL schemes
  2. the first proxy needs credentials
  3. the second proxy uses no credentials
  4. while using the first proxy (using say http://), curl is asked to follow a redirect to a URL using another scheme (say https://), accessed using a second, different, proxy
Database specific 
{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "imported": "2026-08-07T19:54:38.634Z",
            "database_specific": {
                "status": "Analyzed"
            },
            "id": "CVE-2026-6253",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6253",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-6253",
            "published": "2026-05-13T13:01:56.570Z",
            "modified": "2026-06-17T11:00:33.003Z"
        },
        {
            "imported": "2026-08-07T19:55:25.569Z",
            "id": "EUVD-2026-29927",
            "html_url": "https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-29927",
            "url": "https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-29927",
            "published": "2026-05-13T08:28:03Z",
            "modified": "2026-05-13T17:42:40Z"
        }
    ]
}
References

Affected packages

Julia / CURL_jll

Package

Name
CURL_jll
Purl
pkg:julia/CURL_jll?uuid=b21e61f3-bafc-59ac-ab14-4c5c62d6588d

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.20.0+0

Database specific

source 
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1206.json"

Julia / LibCURL_jll

Package

Name
LibCURL_jll
Purl
pkg:julia/LibCURL_jll?uuid=deac9b47-8bc7-5906-a0fe-35ac56dc84c0

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.20.0+0

Database specific

source 
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1206.json"