Auth bypass in Adobe Connect

CVE-2026-34660

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.

Vulnerability class: Broken Access Control

EPSS: 0.004 (36.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-34660?
CVE-2026-34660 is a critical-severity vulnerability in Adobe Connect, classified under Incorrect Authorization. CVSS score: 9.3/10. Published 2026-05-12.
How severe is CVE-2026-34660?
Critical severity. CVSS v3 base score is 9.3 out of 10.