Medium severity · published Jun 23, 2026
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
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
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 overwritten solely based on banner edit permissions. The status field has been removed from the hidden form fields in the banner edit screen.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AD
Adserver · Revive
through 6.0.6 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-44958
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44958
hackerone.com
https://hackerone.com/reports/3678828
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