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NVD Vulnerability Details :
CVE-2026-12804
Deferred
More InfoOfficial Page
Source-cna@vuldb.com
View Known Exploited Vulnerability (KEV) details
Published At-21 Jun, 2026 | 19:16
Updated At-22 Jun, 2026 | 18:24

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."

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.02.1LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Secondary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
N/A
Type: Secondary
Version: 4.0
Base score: 2.1
Base severity: LOW
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Type: Secondary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-601Secondarycna@vuldb.com
CWE ID: CWE-601
Type: Secondary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/merge_requests/979cna@vuldb.com
N/A
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/work_items/3619cna@vuldb.com
N/A
https://vuldb.com/cve/CVE-2026-12804cna@vuldb.com
N/A
https://vuldb.com/submit/836105cna@vuldb.com
N/A
https://vuldb.com/vuln/372598cna@vuldb.com
N/A
https://vuldb.com/vuln/372598/cticna@vuldb.com
N/A
Hyperlink: https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/merge_requests/979
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/work_items/3619
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/cve/CVE-2026-12804
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/submit/836105
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/372598
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/372598/cti
Source: cna@vuldb.com
Resource: N/A
Change History
0Changes found
Details not found