CVE-2026-26058

Name: CVE-2026-26058
Creator: NVD / NIST
Published: 2026-04-03T21:17:10.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2026-26058 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.24%

14.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Zulip	Zulip	>= 1.4.0, <= 11.5

References

https://github.com/zulip/zulip/commit/2df49e7750ce3fc49ef1d44b1c4ece654d4b754cPatch
https://github.com/zulip/zulip/security/advisories/GHSA-xm5c-c6mp-3956Exploit, Vendor Advisory

Timeline

Published: Apr 3, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-26058?

How severe is CVE-2026-26058?

CVE-2026-26058 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2026-26058?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-26058?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST