Vulnerability in Adobe Connect
CVE-2026-121353
Adobe Connect is affected by an Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue does not require user interaction. Scope is changed.
Vulnerability class: CRLF Injection
Published .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.adobe.com/trust/security/products/connect/apsb26-191.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-121353?
- CVE-2026-121353 is a critical-severity vulnerability in Adobe Connect, classified under CRLF Injection. CVSS score: 10.0/10. Published 2026-11-10.
- How severe is CVE-2026-121353?
- Critical severity. CVSS v3 base score is 10.0 out of 10.