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Vulnerability record · CVE-2026-26058 · published 3 April 2026

CVE-2026-26058: Zulip path traversal vulnerability

Zulip · Zulip

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.

6.1 CVSS 3.1 Medium EPSS 0.19% · top 92.2% CWE-22 · Path traversal
6.1CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
24 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/zulip/zulip/commit/2df49e7750ce3fc49ef1d44b1c4ece654d4b754c Patch
https://github.com/zulip/zulip/security/advisories/GHSA-xm5c-c6mp-3956 ExploitVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-26058), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.