How severe is CVE-2026-34724?

CVE-2026-34724 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-34724 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34724?

CVE-2026-34724 affects Zammad. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34724?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-34724 have an EU (EUVD) identifier?

Yes. CVE-2026-34724 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20564.

When was CVE-2026-34724 published?

CVE-2026-34724 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2026-34724

CVE-2026-34724 is a high-severity vulnerability in Zammad with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 8.7
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20564
Weakness: CWE-94
Affected product: Zammad
Published: 2026-04-08
Last modified: 2026-06-17

Description

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a server-side template injection vulnerability which leads to RCE via AI Agent exists. Impact is limited to environments where an attacker can control or influence type_enrichment_data (typically high-privilege administrative configuration). This vulnerability is fixed in 7.0.1.

Frequently asked questions

What is CVE-2026-34724?: Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a server-side template injection vulnerability which leads to RCE via AI Agent exists. Impact is limited to environments where an attacker can control or influence type_enrichment_data (typically high-privilege administrative configuration). This vulnerability is fixed in 7.0.1.
How severe is CVE-2026-34724?: CVE-2026-34724 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-34724 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34724?: CVE-2026-34724 affects Zammad. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34724?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-34724 have an EU (EUVD) identifier?: Yes. CVE-2026-34724 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20564.
When was CVE-2026-34724 published?: CVE-2026-34724 was published on 2026-04-08 and last updated on 2026-06-17.

References

https://github.com/zammad/zammad/security/advisories/GHSA-fg9w-jg8f-4j94

Affected products (1)

cpe:2.3:a:zammad:zammad:7.0.0:*:*:*:*:*:*:*

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