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CVE-2026-93709

Dancer2 · Vulnerability

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-93709

Published

Dancer2 versions before 2.2.0 for Perl serve a layout as a page when an equivalent spelling of its path misses the guard in the AutoPage handler. The handler compares the request path against the layout directory name as text, while the lookup that follows canonicalises it. A doubled slash, a dot segment, a percent-encoded slash, or a different capitalisation on a case-insensitive filesystem therefore misses the guard. The handler is off by default, enabled with auto_page. The layout wrapping every page is already public, so this discloses one of the application's other layouts.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-93709

Published

Dancer2

https://cpan.org/modules

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "collectionURL": "https://cpan.org/modules",
                    "defaultStatus": "unaffected",
                    "modules": [
                        "Dancer2"
                    ],
                    "packageName": "Dancer2",
                    "packageURL": "pkg:cpan/Dancer2",
                    "programFiles": [
                        "lib/Dancer2/Handler/AutoPage.pm"
                    ],
                    "programRoutines": [
                        {
                            "name": "Dancer2::Handler::AutoPage::code"
                        }
                    ],
                    "repo": "https://github.com/PerlDancer/Dancer2",
                    "versions": [
                        {
                            "lessThan": "2.2.0",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON