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CVE-2026-12804

MEDIUM
4.3
CVSS 3.1
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. The vendor was contacted early about this disclosure but did not respond in any way.

Metadata

CVE ID
CVE-2026-12804
State
PUBLISHED
Assigner
VulDB
Reserved
2026-06-21 04:09 UTC
Published
2026-06-21 18:30 UTC
Last updated
2026-06-21 18:30 UTC
Primary CWE
CWE-601
Open Redirect
Vendor / Product
n/a / lemonldap-ng
Sources
cve.org  ·  NVD

Severity & Metrics

4.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
Affected products (1)
VendorProductPlatformVersions
n/a lemonldap-ng — 2.0, 2.1, 2.2, 2.3 …
Weakness (CWE)
CWESourceDescription
CWE-601 cna Open Redirect
CVSS scores (4)
ScoreSeverityVersionSourceVector
5.3 MEDIUM 4.0 cna 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
5.0 N/D 2.0 cna AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
4.3 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.3 MEDIUM 3.0 cna CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References (4)
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