High

Switcher Client contains Regular Expression Denial of Service (ReDoS)

  • Disclosed: 02.02.2023
  • Updated: 11.10.2026 10:22

Impact

Unsanitized input flows into Strategy match operation (EXIST), where it is used to build a regular expression. This may result in a Regular expression Denial of Service attack (reDOS).

Patches

Patched in 3.1.4

Workarounds

Avoid using Strategy settings that use REGEX in conjunction with EXIST and NOT_EXIST operations.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package switcher-client < 3.1.4 3.1.4

References

CVSS score 7.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-1333, CWE-400
Platform
npm
Package
switcher-client
Disclosed
02.02.2023
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-wqxw-8h5g-hq56 - CC BY 4.0

Vulnerability history: switcher-client

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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