TI-2020-15961 Aliases CVE-2020-26118 GHSA-qqc4-654m-g55g

In SmartBear Collaborator Server through 13.3.13302, use of the Google Web Toolkit (GWT)…

MEDIUM 45CWE-502Published 2021-01-11 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

EPSS 0.03807 90th percentileScored 2026-11-08

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:smartbear:collaborator::::::::	up to 13.3.13302	Vulnerable	SMARTBEAR

cpe:2.3:a:smartbear:collaborator:*:*:*:*:*:*:*:* Versions up to 13.3.13302 Vulnerable ·SMARTBEAR

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-26118
2026-10-03 Alias added: GHSA-qqc4-654m-g55g
2026-10-30 EPSS moved to the 90th–95th percentile

References

Advisory 3

TI-2021-18359 SmartBear CodeCollaborator v6.1.6102 was discovered to contain a vulnerability in the web… CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences