{"id":"CVE-2026-95811","state":"PUBLISHED","title":"Lemonldap::NG::Handler versions from 2.0.0 before 2.16.10, from 2.17.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow an equivalent spelling of a path to bypass the locationRules that restrict it","description":"Lemonldap::NG::Handler versions from 2.0.0 before 2.16.10, from 2.17.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow an equivalent spelling of a path to bypass the locationRules that restrict it.\n\nThe handler matches each vhost's locationRules regular expressions against REQUEST_URI, the raw request line, while the web server routes on the path it has already percent-decoded and normalized. A request that percent-encodes a character of the path, inserts dot segments, or doubles a slash therefore reaches the protected resource under a URI that no rule regexp matches, and the vhost's default rule decides access. Deny rules, identity and group conditions, and unprotect and skip rules are bypassed alike.\n\nOnly a vhost whose default rule is more permissive than its other rules is affected. An authenticated user then reaches any URL a locationRules regexp was meant to restrict, but gains no more than that default rule already grants.","publishedAt":"2026-09-25T01:31:22.472Z","updatedAt":"2026-09-26T15:07:03.342Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","source":"CISA-ADP"},"assigner":"CPANSec","products":["Lemonldap-NG-Handler"],"affected":[{"packageName":"Lemonldap-NG-Handler","packageURL":"pkg:cpan/Lemonldap-NG-Handler","defaultStatus":"unaffected","versions":[{"version":"2.0.0","status":"affected","lessThan":"2.16.10","versionType":"custom"},{"version":"2.17.0","status":"affected","lessThan":"2.21.6","versionType":"custom"},{"version":"2.22.0","status":"affected","lessThan":"2.23.4","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","modules":["Lemonldap::NG::Handler"],"programFiles":["lib/Lemonldap/NG/Handler/Main/Run.pm"],"programRoutines":[{"name":"Lemonldap::NG::Handler::Main::Run::run"},{"name":"Lemonldap::NG::Handler::Main::Run::grant"},{"name":"Lemonldap::NG::Handler::Main::Run::getLevel"},{"name":"Lemonldap::NG::Handler::Main::Run::isUnprotected"}],"repo":"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng"}],"references":["https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3723","https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.23.4","https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.21.6","https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.16.10","https://www.cve.org/CVERecord?id=CVE-2020-24660","https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/work_items/3723","https://lists.debian.org/debian-lts-announce/2026/09/msg00032.html"],"weaknesses":["CWE-863","CWE-180"],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/95xxx/CVE-2026-95811.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-95811","state":"PUBLISHED","datePublished":"2026-09-25T01:31:22.472Z","dateUpdated":"2026-09-26T15:07:03.342Z","assignerShortName":"CPANSec","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateReserved":"2026-09-22T15:43:06.362Z"},"containers":{"cna":{"title":"Lemonldap::NG::Handler versions from 2.0.0 before 2.16.10, from 2.17.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow an equivalent spelling of a path to bypass the locationRules that restrict it","descriptions":[{"lang":"en","value":"Lemonldap::NG::Handler versions from 2.0.0 before 2.16.10, from 2.17.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow an equivalent spelling of a path to bypass the locationRules that restrict it.\n\nThe handler matches each vhost's locationRules regular expressions against REQUEST_URI, the raw request line, while the web server routes on the path it has already percent-decoded and normalized. A request that percent-encodes a character of the path, inserts dot segments, or doubles a slash therefore reaches the protected resource under a URI that no rule regexp matches, and the vhost's default rule decides access. Deny rules, identity and group conditions, and unprotect and skip rules are bypassed alike.\n\nOnly a vhost whose default rule is more permissive than its other rules is affected. An authenticated user then reaches any URL a locationRules regexp was meant to restrict, but gains no more than that default rule already grants."}],"affected":[{"packageName":"Lemonldap-NG-Handler","packageURL":"pkg:cpan/Lemonldap-NG-Handler","defaultStatus":"unaffected","versions":[{"version":"2.0.0","status":"affected","lessThan":"2.16.10","versionType":"custom"},{"version":"2.17.0","status":"affected","lessThan":"2.21.6","versionType":"custom"},{"version":"2.22.0","status":"affected","lessThan":"2.23.4","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","modules":["Lemonldap::NG::Handler"],"programFiles":["lib/Lemonldap/NG/Handler/Main/Run.pm"],"programRoutines":[{"name":"Lemonldap::NG::Handler::Main::Run::run"},{"name":"Lemonldap::NG::Handler::Main::Run::grant"},{"name":"Lemonldap::NG::Handler::Main::Run::getLevel"},{"name":"Lemonldap::NG::Handler::Main::Run::isUnprotected"}],"repo":"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng"}],"references":[{"url":"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3723","tags":["issue-tracking"]},{"url":"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.23.4","tags":["release-notes"]},{"url":"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.21.6","tags":["release-notes"]},{"url":"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.16.10","tags":["release-notes"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-24660","tags":["related"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-180","description":"CWE-180 Incorrect Behavior Order: Validate Before Canonicalize","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CPANSec","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateUpdated":"2026-09-25T01:31:22.472Z"},"credits":[{"lang":"en","type":"finder","value":"Deepseek agent, Linagora"}],"solutions":[{"lang":"en","value":"Upgrade to Lemonldap-NG-Handler 2.16.10, 2.21.6 or 2.23.4 or later. Only 2.23.4 is on CPAN; the 2.16.10 and 2.21.6 LTS releases are available from https://lemonldap-ng.org/download.html."}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/work_items/3723","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-25T13:53:01.823535Z","id":"CVE-2026-95811","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-25T13:53:07.656Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2026/09/msg00032.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-09-26T15:07:03.342Z"}}]}}}