VulnerabilityDeferred

CVE-2026-44959

A missing validation of user input exists when saving delivery limitations in Revive Adserver 6.0.6 and earlier.

HIGH 8.8EPSS 0.58%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A missing validation of user input exists when saving delivery limitations in Revive Adserver 6.0.6 and earlier. A low‑privileged user could add an unexpected component parameter and inject malicious PHP code into the compiledlimitations field, which would then be executed during banner delivery. Input sanitisation has been improved to ensure that unexpected parameters are filtered out.

CVSS 3.0: 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.58% probability · 46th percentile
CISA KEV: Not listed
Weakness: CWE-94
Source: support@hackerone.com

References

https://hackerone.com/reports/3744200

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.