CVE-2026-34617 Adobe Connect | Cross-site Scripting (XSS) (CWE-79)

High 8.7 Published 14 Apr 2026 Updated 27 Aug 2026

A low-privileged attacker can inject malicious scripts via crafted URLs to escalate privileges and take over victim accounts in Adobe Connect.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-34617?

CVE-2026-34617 is a high-severity cross-site scripting vulnerability in Adobe Connect, published on 14 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Cross-Site Scripting (XSS) vulnerability that could result in privilege escalation. A low-privileged 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.

Weakness: CWE-79

Which versions are affected by CVE-2026-34617?

It affects 2 products.

Products include Adobe Connect, Adobe Connect Desktop Application.

How do I fix CVE-2026-34617?

No fix has been published for CVE-2026-34617 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-34617 being exploited?

There is no known exploitation of CVE-2026-34617 in the wild and no public exploit code.

All Adobe Connect vulnerabilities

Sources

Also known as GHSA-2xf6-9qjq-vwwm.