A logic error in the remove_password() function in Checkmk GmbH's Checkmk versions <2.4.0p23, <2.3.0p43, and 2.2.0 (EOL) allows a low-privileged user to cause data loss.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Mar 4, 2026 · NIST NVD

   Detected

   A logic error in the remove_password() function in Checkmk GmbH's Checkmk versions <2.4.0p23, <2.3.0p43, and 2.2.0 (EOL) allows a low-privileged user to cause data loss.

2. Jun 17, 2026 · NIST NVD

   Updated

   A logic error in the remove_password() function in Checkmk GmbH's Checkmk versions <2.4.0p23, <2.3.0p43, and 2.2.0 (EOL) allows a low-privileged user to cause data loss.

Affected

• cpe checkmk/checkmk2.2.0
• cpe checkmk/checkmk2.3.0

Sources

• CVE.orgVulnerability recordCVE-2026-3103

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-3103

  A logic error in the remove_password() function in Checkmk GmbH's Checkmk versions <2.4.0p23, <2.3.0p43, and 2.2.0 (EOL) allows a low-privileged user to cause data loss.

  nvd.nist.gov

References

• Mitigation · checkmk.com