CVE-2026-121353

EUVD-2026-122974
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.
CRLF Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
adobeCNA
10 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
adobeconnect
𝑥
≤ 12.8
CNA
adobeconnect
𝑥
≤ 12.9
CNA
adobeconnect
𝑥
≤ 12.10
CNA
adobeconnect
𝑥
≤ 12.11
CNA
adobeconnect
𝑥
≤ 12.12
CNA
Common Weakness Enumeration
References
https://www.adobe.com/trust/security/products/connect/apsb26-191.html