Auth bypass in Upress Booter

CVE-2026-24534

Missing Authorization vulnerability in uPress Booter booter-bots-crawlers-manager allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Booter: from n/a through <= 1.5.7.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (16.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.6% 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-2026-24534: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-24534?
CVE-2026-24534 is a medium-severity vulnerability in Upress Booter, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-01-23.
How severe is CVE-2026-24534?
Medium severity. CVSS v3 base score is 4.3 out of 10.