What is CVE-2026-113438?

CVE-2026-113438 is a medium-severity vulnerability in Implem Inc. Pleasanter, classified under Missing Critical Step in Authentication. CVSS score: 6.5/10. Published 2026-10-26.

How severe is CVE-2026-113438?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Implem Inc. Pleasanter

CVE-2026-113438

Pleasanter provided fails to properly verify passwords in LDAP authentication when processing specially crafted requests under certain configurations. If exploited, an attacker may bypass LDAP authentication by providing only a valid Login ID, without a password. As a result, an attacker may view, alter or delete information stored in the product with the privilege of the account used to log in.

Published 2026-10-26 · last modified 2026-10-26.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Implem Inc. Pleasanter

Weakness classification (CWE)

CWE-304 — Missing Critical Step in Authentication

References

Frequently asked questions

What is CVE-2026-113438?: CVE-2026-113438 is a medium-severity vulnerability in Implem Inc. Pleasanter, classified under Missing Critical Step in Authentication. CVSS score: 6.5/10. Published 2026-10-26.
How severe is CVE-2026-113438?: Medium severity. CVSS v3 base score is 6.5 out of 10.