CVE-2026-12804

lemonldap-ng SAML Common Domain Cookie Endpoint CDC.pm redirect

State
Published
Severity
5.3 Medium
Published
Jun 21, 2026
Updated
Jun 22, 2026
Reserved
Jun 21, 2026

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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."

Scores

CVSSScoreVectorSource
4.05.3 MediumCVSS: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:PVulDB
3.14.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:CVulDB
3.04.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:CVulDB
2.05.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:CVulDB

Weaknesses

Affected Products

ProductVersions
lemonldap-ngn/a
  • 2.0Affected
  • 2.1Affected
  • 2.2Affected
  • 2.3Affected
  • 2.4Affected
  • 2.5Affected
  • 2.6Affected
  • 2.7Affected
  • 2.8Affected
  • 2.9Affected
  • 2.10Affected
  • 2.11Affected
  • 2.12Affected
  • 2.13Affected
  • 2.14Affected
  • 2.15Affected
  • 2.16Affected
  • 2.17Affected
  • 2.18Affected
  • 2.19Affected
  • 2.20Affected
  • 2.21Affected
  • 2.22Affected
  • 2.23.0Affected

References

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