An issue was discovered in Zammad before 6.2.0.
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for its login screen. This endpoint returns internal configuration data of user object attributes, such as selectable values, which should not be visible to the public.
Why it matters now
EPSS 0.00495 42nd percentileScored 2026-11-07
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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zammad:zammad:6.1.0:-:*:*:*:*:*:* | 6.1.0 | Vulnerable | Zammad GmbH |
| cpe:2.3:a:zammad:zammad:6.1.0:alpha:*:*:*:*:*:* | 6.1.0 alpha | Vulnerable | Zammad GmbH |
| cpe:2.3:a:zammad:zammad:6.2.0:alpha:*:*:*:*:*:* | 6.2.0 alpha | Vulnerable | Zammad GmbH |
- cpe:2.3:a:zammad:zammad:6.1.0:-:*:*:*:*:*:* Versions 6.1.0 Vulnerable ·Zammad GmbH
- cpe:2.3:a:zammad:zammad:6.1.0:alpha:*:*:*:*:*:* Versions 6.1.0 alpha Vulnerable ·Zammad GmbH
- cpe:2.3:a:zammad:zammad:6.2.0:alpha:*:*:*:*:*:* Versions 6.2.0 alpha Vulnerable ·Zammad GmbH
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-50453
- 2026-10-03 Alias added: GHSA-cfgq-jw59-g278
References
More Zammad GmbH Zammad vulnerabilities
- TI-2026-65406 Local privilege escalation in Zammad v1.5.0 to v7.2.2 installed via DEB or RPM package KEVCVSS 4.0CRITICAL 9.4
- TI-2026-65405 Undisclosed RCE in Zammad v6.3 and higher KEVCVSS 4.0CRITICAL 9.4
- TI-2024-22252 An issue was discovered in Zammad before 6.3.0. CVSS 3.1CRITICAL 9.1
- TI-2022-23785 A vulnerability in Zammad v5.3.0 allows attackers to execute arbitrary code or escalate… CVSS 3.1CRITICAL 9.8
- TI-2021-18599 An issue was discovered in Zammad before 4.1.1. CVSS 3.1CRITICAL 9.8
- TI-2021-18603 An issue was discovered in Zammad before 4.1.1. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-50453 · CVE Program
- CVE-2023-50453 · NVD
- FIRST EPSS
- GHSA-cfgq-jw59-g278 · GitHub Advisory Database · CC BY 4.0
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