#VU124765 Path traversal in Zulip Server - CVE-2026-26058

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Main Vulnerability Database Vulnerabilities #VU124765

#VU124765 Path traversal in Zulip Server - CVE-2026-26058

Published: April 1, 2026


Vulnerability identifier: #VU124765
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-26058
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Zulip Server
Software vendor:
Zulip

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in uploads/records.json. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links