What’s Vulnerable › Vulnerabilities

CVE-2020-26118

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-11 · updated 2026-06-17
• Weakness: CWE-502

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.

Affected products

• SMARTBEAR Collaborator: through 13.3.13302

References

• https://support.smartbear.com/collaborator/docs/general-info/version-history/ver-13/ver-13-0.html
• https://support.smartbear.com/collaborator/docs/general-info/whats-new.html
• https://support.smartbear.com/collaborator/docs/server/index.html
• https://support.smartbear.com/collaborator/docs/general-info/version-history/ver-13/ver-13-0.html
• https://support.smartbear.com/collaborator/docs/general-info/whats-new.html
• https://support.smartbear.com/collaborator/docs/server/index.html

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