GO-2026-6558

Source
https://pkg.go.dev/vuln/GO-2026-6558
Import Source
https://vuln.go.dev/ID/GO-2026-6558.json
JSON Data
https://api.osv.dev/v1/vulns/GO-2026-6558
Aliases
Published
2026-10-01T20:23:38Z
Modified
2026-10-01T20:45:13Z
Summary
Traefik: BasicAuth singleflight coalescing reintroduces an unauthenticated username-enumeration timing oracle
Details

Traefik: BasicAuth singleflight coalescing reintroduces an unauthenticated username-enumeration timing oracle.

NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.

(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: github.com/traefik/traefik from v3.6.11 before v3.7.13.

Database specific
{
    "review_status":  "UNREVIEWED",
    "url":  "https://pkg.go.dev/vuln/GO-2026-6558"
}
References

Affected packages

Go / github.com/traefik/traefik

Package

Name
github.com/traefik/traefik
View open source insights on deps.dev
Purl
pkg:golang/github.com/traefik/traefik

Affected ranges

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

Ecosystem specific

{
    "custom_ranges":  [
        {
            "events":  [
                {
                    "introduced":  "3.6.11"
                },
                {
                    "fixed":  "3.7.13"
                }
            ],
            "type":  "ECOSYSTEM"
        }
    ]
}

Database specific

source
"https://vuln.go.dev/ID/GO-2026-6558.json"