What is CVE-2026-18159?

CVE-2026-18159 is a medium-severity vulnerability in Opentext Directory Services (Otds), classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 4.3/10. Published 2026-11-05.

How severe is CVE-2026-18159?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Opentext Directory Services (Otds)

CVE-2026-18159

A vulnerability in OpenText OpenText Directory Services (OTDS) on Windows and Linux allows Clickjacking. This issue affects OpenText Directory Services (OTDS): from 10.5 through 26.2.

Published 2026-11-05 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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

Opentext Directory Services (Otds)

Weakness classification (CWE)

CWE-1021 — Improper Restriction of Rendered UI Layers or Frames (Clickjacking)

References

support.opentext.com/csm

Frequently asked questions

What is CVE-2026-18159?: CVE-2026-18159 is a medium-severity vulnerability in Opentext Directory Services (Otds), classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 4.3/10. Published 2026-11-05.
How severe is CVE-2026-18159?: Medium severity. CVSS v3 base score is 4.3 out of 10.