Auth bypass in Jpress

CVE-2026-9376

A vulnerability was determined in JPress up to 1.0.3. The affected element is an unknown function of the file /ucenter/article/doWriteSave of the component UCenter Article Submission Endpoint. Executing a manipulation of the argument id/userId can lead to improper authorization. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (25.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.8% 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-2026-9376: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.001

Affected products

  • Jpress — versions 1.0.0, 1.0.1, 1.0.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9376?
CVE-2026-9376 is a medium-severity vulnerability in Jpress, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-05-24.
How severe is CVE-2026-9376?
Medium severity. CVSS v3 base score is 6.3 out of 10.