CVE-2026-27246 Adobe Connect | Cross-site Scripting (DOM-based XSS) (CWE-79)

Critical 9.3 Published 14 Apr 2026 Updated 27 Aug 2026

Attackers can inject malicious scripts via crafted URLs to hijack user sessions or gain elevated access in Adobe Connect.

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

What is CVE-2026-27246?

CVE-2026-27246 is a critical cross-site scripting vulnerability in Adobe Connect, published on 14 Apr 2026. An attacker can exploit it over the internet without logging in, 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 DOM-based Cross-Site Scripting (XSS) vulnerability. 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.

Weakness: CWE-79

Which versions are affected by CVE-2026-27246?

It affects 2 products.

Products include Adobe Connect, Adobe Connect Desktop Application.

How do I fix CVE-2026-27246?

No fix has been published for CVE-2026-27246 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-2026-27246 being exploited?

There is no known exploitation of CVE-2026-27246 in the wild and no public exploit code.

All Adobe Connect vulnerabilities

Sources

Also known as GHSA-4c2f-hvf5-4jwv.