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Vulnerability record · CVE-2026-30345 · published 18 March 2026

CVE-2026-30345: Relative path traversal vulnerability

A zip slip vulnerability in the Admin import functionality of CTFd v3.8.1-18-gdb5a18c4 allows attackers to write arbitrary files outside the intended directories via supplying a crafted import.

7.5 CVSS 3.1 High EPSS 0.51% · top 58.7% CWE-23 · Relative path traversal Deferred
7.5CVSS 3.1 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

A zip slip vulnerability in the Admin import functionality of CTFd v3.8.1-18-gdb5a18c4 allows attackers to write arbitrary files outside the intended directories via supplying a crafted import.

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

References

LinkTags
https://blog.ctfd.io/ctfd-3-8-2/
https://gist.github.com/syphonetic/2e16a6d1a44e7970c849a17efd0a2270
https://github.com/CTFd/CTFd
https://github.com/CTFd/CTFd/security/policy
https://github.com/syphonetic/CVE-2026-30345

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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-2026-30345), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.