by Kastro
Paper/Archive/CVE-2026-121887

CVE-2026-121887

Adobe Adobe Connect — Adobe Connect | Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)

CVSS 9.9
critical.is priorityof 100
30
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

Adobe Connect is affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.

Affected

ProductAffectedFixed inSource
Adobe Connect≤ 12.812.8.aCNA
Adobe Connect≤ 12.912.9.aCNA
Adobe Connect≤ 12.1012.10.fCNA
Adobe Connect≤ 12.1112.11.iCNA
Adobe Connect≤ 12.1212.12.aCNA

Scores by source

adobe (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

advisoryadobe.com/trust/security/products/connect/apsb26-191.html