← All CVEs

CVE-2026-83660

CRITICAL 9.9 ALL-YEARS

Published 2026-09-22 · Last modified 2026-09-25 · adobe · NVD: Analyzed

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.

ELEVATED IMPACT

Severe if exploited (CVSS 9.9), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.3%chance of exploitation in 30 days · 26th percentile

○ In CISA KEV○ Public exploit / PoC◆ SSVC: exploitation none, automatable yes

Impact if exploited

9.9CVSS 3.1 · CRITICAL · CNA

  • ConfidentialityHigh
  • IntegrityLow
  • AvailabilityLow

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.

Affected

Vendors Adobe Linux Microsoft

Products Adobe Campaign Classic Campaign Linux Kernel Windows

Weakness (CWE)

  • CWE-918: Server-Side Request Forgery (SSRF) (CWE-918)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L

Known Affected Software Configurations

VendorProductVersion range
AdobeCampaign≤ 7.4.3
AdobeCampaign7.4.4
AdobeCampaign7.4.4

All CVSS metrics

  • CRITICAL 9.9 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
  • CRITICAL 9.9 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
  • CRITICAL 10 v3.1 · NVD Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

Sources: NVD · CVE.org · EPSS