CVE-2026-83660 Adobe Campaign Classic - Privilege Escalation

Adobe Campaign Classic contains a server-side request forgery caused by improper validation of URLs, letting attackers escalate privileges, exploit requires no user interaction.

CVSS base score 9.9 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.34% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-918

Vendor fix

Update to the latest version of Adobe Campaign Classic.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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