Information Exposure Through Timing Discrepancy in Etherpad - #VU151599
Published: September 22, 2026
Vulnerability identifier: #VU151599
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-208
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to conduct timing attacks against login credentials.
The vulnerability exists due to an observable timing discrepancy in the OIDC interaction login password comparison when processing login attempts. A remote attacker can measure password comparison timing to conduct timing attacks against login credentials.
Affected software
Etherpad
Remediation
Install security update from vendor's website.
Etherpad - update to 3.3.0