CVE-2020-26118

high

Description

In SmartBear Collaborator Server through 13.3.13302, use of the Google Web Toolkit (GWT) API introduces a post-authentication Java deserialization vulnerability. The application's UpdateMemento class accepts a serialized Java object directly from the user without properly sanitizing it. A malicious object can be submitted to the server via an authenticated attacker to execute commands on the underlying system.

References

https://support.smartbear.com/collaborator/docs/server/index.html

https://support.smartbear.com/collaborator/docs/general-info/whats-new.html

https://support.smartbear.com/collaborator/docs/general-info/version-history/ver-13/ver-13-0.html

Details

Source: Mitre, NVD

Published: 2021-01-11

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.01958