CVE-2026-91200CWE-22path-traversal

CVE-2026-91200

High · published September 15, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
50.6
In the wild
Unconfirmed
What it is

DevSpace through 6.3.21 fails to reject parent-directory segments in tar entry names from the in-pod sync stream. Attackers operating a malicious container can stream tar entries with traversal sequences to write arbitrary files on the developer workstation, enabling code execution.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00651 · 50.6th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-09-15T03:19Z
References (5)
https://github.com/devspace-sh/devspace · [email protected]https://github.com/devspace-sh/devspace/blob/7f272dcf90653fa9b42bc4347f7f3f9a52b0e8b5/pkg/devspace/sync/tar.go#L68-L82 · [email protected]https://github.com/devspace-sh/devspace/blob/7f272dcf90653fa9b42bc4347f7f3f9a52b0e8b5/pkg/devspace/sync/util.go#L9-L11 · [email protected]https://github.com/devspace-sh/devspace/issues/3290 · [email protected]https://www.vulncheck.com/advisories/devspace-through-6.3.21-path-traversal-via-tar-extraction · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 22:10Z
    DevSpace through 6.3.21 Path Traversal via tar extraction
    cvelistv5