What is CVE-2026-23550?

CVE-2026-23550 is a critical-severity vulnerability in Modular Ds, classified under Incorrect Privilege Assignment. CVSS score: 9.8/10. Published 2026-01-14.

How severe is CVE-2026-23550?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2026-23550 known to be exploited?

9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Modular Ds

CVE-2026-23550

Incorrect Privilege Assignment vulnerability in Modular DS Modular DS modular-connector allows Privilege Escalation.This issue affects Modular DS: from n/a through <= 2.5.1.

Published 2026-01-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.217 (97.6th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.206 · newest: 0.217 · change: +0.011

Affected products

Modular Ds — versions 0

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

Public proof-of-concept exploits

References

patchstack.com/database/Wordpress/Plugin/modular-connector/vulnerability/wordpr… (vdb-entry)

Frequently asked questions

What is CVE-2026-23550?: CVE-2026-23550 is a critical-severity vulnerability in Modular Ds, classified under Incorrect Privilege Assignment. CVSS score: 9.8/10. Published 2026-01-14.
How severe is CVE-2026-23550?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-23550 known to be exploited?: 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.