PT-2026-3658 · Revive+1 · Revive Adserver

0Xjad + 1 · Published 2026-01-20 · Updated 2026-01-20 · CVE-2026-21641

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Name of the Vulnerable Software and Affected Versions Revive Adserver (affected versions not specified)

Description An authorization bypass exists in the 'tracker-delete.php' script. Users who possess permissions to delete trackers can delete trackers belonging to other accounts.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authorization

Weakness Enumeration

CWE-285

Related Identifiers

CVE-2026-21641

Affected Products

Revive Adserver

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-21641 · Security Note
• https://osv.dev/vulnerability/CVE-2026-21641 · Vendor Advisory
• https://hackerone.com/reports/3445710 · Note