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CVE-2026-26058— Zulip: Path Traversal in Import

Quick assessment

Affected
zulip zulip
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zulip是美国Zulip公司的一款功能强大的开源群聊应用程序。用于将实时聊天的即时性与线程对话的生产力优势相结合。 Zulip 1.4.0至11.6之前版本存在路径遍历漏洞，该漏洞源于导入功能存在路径遍历，可能导致任意文件读取。

CVSS 6.1 · Medium EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1135 · Network Share Discovery
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I. Basic Information for CVE-2026-26058

Vulnerability Information
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Vulnerability Title
Zulip: Path Traversal in Import
Source: CVE Program / CVE List V5
Vulnerability Description
Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, ./manage.py import reads arbitrary files from the server filesystem via path traversal in uploads/records.json. A crafted export tarball causes the server to copy any file the zulip user can read into the uploads directory during import. This issue has been patched in version 11.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Zulip 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zulip是美国Zulip公司的一款功能强大的开源群聊应用程序。用于将实时聊天的即时性与线程对话的生产力优势相结合。 Zulip 1.4.0至11.6之前版本存在路径遍历漏洞，该漏洞源于导入功能存在路径遍历，可能导致任意文件读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
zulip zulip >= 1.4.0, < 11.6 -

II. Public POCs for CVE-2026-26058

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III. Intelligence Information for CVE-2026-26058

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Patches & Fixes for CVE-2026-26058 (1)

Vendor Advisories for CVE-2026-26058 (1)

IV. Related Vulnerabilities

Same product: zulip
Same vendor: zulip
Same weakness: CWE-22

V. Comments for CVE-2026-26058

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