CVE-2026-23535CWE-22

wlc Path traversal: Unsanitized API slugs in download command

High · published January 16, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
31.6
In the wild
Unconfirmed
What it is

⚡ A crafty server could redirect your downloads to places you never intended! Before version 1.17.2, wlc had a sneaky flaw that could write translations to arbitrary locations. 🔥 Think of it like a delivery driver blindly dropping packages anywhere at the warehouse’s request, instead of your specified address. If the server is untrustworthy, it could lead to chaos in your file system! An attacker could exploit this vulnerability to manipulate where multi-translation downloads land, potentially leading to overwriting important files or introducing malicious payloads. That's like leaving the front door open for intruders to walk in and take whatever they want!

Put simply

Think of it like a delivery driver blindly dropping packages anywhere at the warehouse’s request, instead of your specified address. If the server is untrustworthy, it could lead to chaos in your file system! This vulnerability in wlc occurs due to improper validation of download paths, allowing commands from a crafted server to write files to any specified location on the filesystem.

What to do

An attacker could exploit this vulnerability to manipulate where multi-translation downloads land, potentially leading to overwriting important files or introducing malicious payloads. That's like leaving the front door open for intruders to walk in and take whatever they want! Upgrade to version 1.17.2 immediately to close this loophole. Always ensure that the server you’re downloading from can be trusted, and consider implementing additional security measures to verify file paths. You've got this! Patch up, and you'll have your system secure in no time. 🛡️

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00387 · 31.6th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-01-16T19:08Z
EPSS history
Timeline
  • 16 JAN 19:08Z
    wlc Path traversal: Unsanitized API slugs in download command
    cvelistv5