What’s Vulnerable › Vulnerabilities

CVE-2020-26033

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% 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-352

Description

An issue was discovered in Zammad before 3.4.1. The Tag and Link REST API endpoints (for add and delete) lack a CSRF token check.

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

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