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CVE-2026-12804 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

A vulnerability was detected in lemonldap-ng up to 2.23.0. Impacted is an unknown function in the library lemonldap-ng-portal/lib/Lemonldap/NG/Portal/CDC.pm of the component SAML Common Domain Cookie Endpoint. Performing a manipulation of the argument url results in open redirect. The attack is possible to be carried out remotely. The exploit is now public and may be used. Applying a patch is the recommended action to fix this issue. The vendor confirms, that "it has been fixed some days ago and will be available in 2.23.1. CDC is quite never used, so the impact is very low."

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/merge_requests/979	[email protected]
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/work_items/3619	[email protected]
https://vuldb.com/cve/CVE-2026-12804	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/836105	[email protected]	Issue TrackingPermission Required
https://vuldb.com/vuln/372598	[email protected]	AdvisoryPermission Required
https://vuldb.com/vuln/372598/cti	[email protected]	Content Wall

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-601	URL Redirection to Untrusted Site ('Open Redirect')	[email protected]

Affected Products

Product	Versions
lemonldap-ng	<= 2.23.0 (semver)
CPE cpe:2.3:a:lemonldap-ng:lemonldap:::::::::: cpe:2.3:a:lemonldap-ng:lemonldap::ng:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jun 22, 2026	CVE Modified	[email protected]
Jun 22, 2026	CVE Modified	CISA-ADP
Jun 21, 2026	New CVE Received	[email protected]