What is CVE-2026-21641?

CVE-2026-21641 is a medium-severity vulnerability in Aquaplatform Revive_adserver, classified under Improper Authorization. CVSS score: 6.5/10. Published 2026-01-20.

How severe is CVE-2026-21641?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Aquaplatform Revive_adserver

CVE-2026-21641

HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass vulnerability in the `tracker-delete.php` script of Revive Adserver. Users with permissions to delete trackers are mistakenly allowed to delete trackers…

EPSS: 0.002 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Aquaplatform Revive_adserver
Revive Adserver — versions 6

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

support@hackerone.com (Third Party Advisory)

Frequently asked questions

What is CVE-2026-21641?: CVE-2026-21641 is a medium-severity vulnerability in Aquaplatform Revive_adserver, classified under Improper Authorization. CVSS score: 6.5/10. Published 2026-01-20.
How severe is CVE-2026-21641?: Medium severity. CVSS v3 base score is 6.5 out of 10.