CVE-2026-34660: Adobe Connect | Incorrect Authorization (CWE-863)
Adobe Connect versions 2025.9.15, 2025.8.157 and earlier are affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Adobe Connectto a version that resolves this vulnerability.Fixed in 2025.9.15 - Upgrade
Upgrade
Adobe Connectto a version that resolves this vulnerability.Fixed in 2025.8.157 - Compensating control
Because exploitation requires user interaction (visiting a maliciously crafted URL or interacting with a compromised web page), mitigate by restricting users from visiting untrusted links and by isolating/limiting access to affected sessions/pages until the upgrade is complete.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-34660?
CVE-2026-34660 is considered a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2026-34660?
To address CVE-2026-34660, upgrade Adobe Connect to version 2025.9.16 or later.
What versions of Adobe Connect are affected by CVE-2026-34660?
CVE-2026-34660 affects Adobe Connect versions 2025.9.15 and 2025.8.157 and earlier.
What type of vulnerability is CVE-2026-34660?
CVE-2026-34660 is an Incorrect Authorization vulnerability classified under CWE-863.
What consequences can occur from exploiting CVE-2026-34660?
Exploitation of CVE-2026-34660 could allow attackers to execute arbitrary code in the context of the current user.