What’s Vulnerable › Vulnerabilities

CVE-2020-26031

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-28 · updated 2026-06-17
• Weakness: CWE-276

Description

An issue was discovered in Zammad before 3.4.1. The global-search feature leaks Knowledge Base drafts to Knowledge Base readers (who are authenticated but have insufficient permissions).

Affected products

• zammad: from 1.0.0 before 3.4.1 — fixed in 3.4.1

How to fix

Upgrade to a fixed version: zammad 3.4.1. Check the vendor advisory for mitigations.

References

• https://zammad.com/news/security-advisory-zaa-2020-16
• https://zammad.com/news/security-advisory-zaa-2020-16

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