Use of insufficiently random values in Etherpad - #VU151598
Published: September 22, 2026
Vulnerability identifier: #VU151598
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-330
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to predict author, session, or readonly identifiers.
The vulnerability exists due to use of insufficiently random values in author, session, and readonly ID generation when generating token identifiers. A remote attacker can exploit predictable Math.random() output to predict token identifiers.
Affected software
Etherpad
Remediation
Install security update from vendor's website.
Etherpad - update to 3.3.0