CVE-2026-34659
CRITICAL WAF: Medium
CVSS 9.6
Published: 2026-05-12
CWE-502
Adobe Connect versions 2025.9.15, 2025.8.157 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.
WAF Coverage Analysis
Insecure Deserialization
Medium WAF Coverage
OWASP: A08:2021 Software and Data Integrity Failures
944xxx - Java Attack
Affected Software
| Vendor | Product | Version |
|---|---|---|
| adobe | connect_desktop_application | up to 2025.8.157 |
| adobe | connect_desktop_application | 2025.9.15 |
References
- helpx.adobe.com (Vendor Advisory)