Auth bypass in Rtmkit

CVE-2026-12906

The RTMKit WordPress plugin before 2.0.9 does not perform a capability check in one of its AJAX actions and resolves a request-supplied post identifier directly, allowing users with at least the Contributor role to read the titles of other users' private, draft, pending, scheduled and trashed posts.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-12906: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Rtmkit — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-12906?
CVE-2026-12906 is a low-severity vulnerability in Rtmkit, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 2.7/10. Published 2026-07-16.
How severe is CVE-2026-12906?
Low severity. CVSS v3 base score is 2.7 out of 10.