SSRF in Adobe Campaign Classic

CVE-2026-83660

Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in privilege escalation. Exploitation of this issue does not require user interaction. Scope is changed.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L.

EPSS exploit prediction

EPSS: 0.008 (55.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-83660: held from 0.003 to 0.008.

EPSS over last 30 days · oldest: 0.003 · newest: 0.008 · change: +0.004

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-83660?
CVE-2026-83660 is a critical-severity vulnerability in Adobe Campaign Classic, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.9/10. Published 2026-09-22.
How severe is CVE-2026-83660?
Critical severity. CVSS v3 base score is 9.9 out of 10.