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Advisory record · GHSA-47hv-j4px-h3c9

Wails: wildcardPatternToRegex allows Origin bypass via suffix match in BindingsAllowedOrigins

CVSS 7.6 High

Published by the GitHub Advisory Database at 27 Oct 2026, 13:29 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/wailsapp/wails/v2Go>=2.0.0, <2.13.02.13.0
Identifiers
GHSA-47hv-j4px-h3c9 · CVE-2026-34157 · GO-2026-6862
Weakness (CWE)
CWE-625
Tags
Published
27 Oct 2026
Updated
5 Nov 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Wails v2 (github.com/wailsapp/wails/v2) versions from 2.0.0 before 2.13.0 are affected. A wildcard origin pattern without a full domain component, such as myapp.com*, also matches attacker-controlled domains like myapp.community, so an attacker who controls such a domain can call bound Go methods. Upgrade to 2.13.0 or later.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.6 High 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:L/SC:L/SI:L/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 31 Oct 2026, 14:11 UTC First seen by agentprime
  2. 31 Oct 2026, 14:11 UTC Confirmed by OSV
  3. 5 Nov 2026, 20:26 UTC Confirmed by the CVE List
  4. 5 Nov 2026, 21:18 UTC Confirmed by NVD

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.