CVE-2026-121353 PUBLISHED

Adobe Connect | Improper Neutralization of CRLF Sequences ('CRLF Injection') (CWE-93)

Assigner: adobe
Reserved: 03.11.2026 Published: 10.11.2026 Updated: 11.11.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS Score: 10

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Adobe
Product	Adobe Connect
Versions	Default: unaffected affected from 0 to 12.8 (incl.) Version 12.8.a is unaffected

Vendor	Adobe
Product	Adobe Connect
Versions	Default: unaffected affected from 0 to 12.9 (incl.) Version 12.9.a is unaffected

Vendor	Adobe
Product	Adobe Connect
Versions	Default: unaffected affected from 0 to 12.10 (incl.) Version 12.10.f is unaffected

Vendor	Adobe
Product	Adobe Connect
Versions	Default: unaffected affected from 0 to 12.11 (incl.) Version 12.11.i is unaffected

Vendor	Adobe
Product	Adobe Connect
Versions	Default: unaffected affected from 0 to 12.12 (incl.) Version 12.12.a is unaffected

References

https://www.adobe.com/trust/security/products/connect/apsb26-191.html

Problem Types

Improper Neutralization of CRLF Sequences ('CRLF Injection') (CWE-93) CWE