What is CVE-2026-44958?

CVE-2026-44958 is a medium-severity vulnerability in Revive Adserver, classified under Improper Access Control. CVSS score: 5.4/10. Published 2026-06-23.

How severe is CVE-2026-44958?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Revive Adserver

CVE-2026-44958

An access control bypass allows an advertiser‑level user to activate or deactivate a banner in Revive Adserver 6.0.6 and earlier, even when such permissions were not granted. The banner-edit.php script allowed the banner status to be overw…

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Revive Adserver — versions 0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

support@hackerone.com

Frequently asked questions

What is CVE-2026-44958?: CVE-2026-44958 is a medium-severity vulnerability in Revive Adserver, classified under Improper Access Control. CVSS score: 5.4/10. Published 2026-06-23.
How severe is CVE-2026-44958?: Medium severity. CVSS v3 base score is 5.4 out of 10.