Medium severity4.7NVD Advisory· Published Jun 29, 2021· Updated Jun 17, 2026
CVE-2021-32721
CVE-2021-32721
Description
PowerMux is a drop-in replacement for Go's http.ServeMux. In PowerMux versions prior to 1.1.1, attackers may be able to craft phishing links and other open redirects by exploiting the trailing slash redirection feature. This may lead to users being redirected to untrusted sites after following an attacker crafted link. The issue is resolved in v1.1.1. There are no existing workarounds.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/AndrewBurian/powermuxGo | < 1.1.1 | 1.1.1 |
Affected products
3- Range: < 1.1.1
Patches
Vulnerability mechanics
References
5- github.com/AndrewBurian/powermux/security/advisories/GHSA-mj9r-wwm8-7q52nvdThird Party AdvisoryWEB
- github.com/advisories/GHSA-mj9r-wwm8-7q52ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-32721ghsaADVISORY
- github.com/AndrewBurian/powermux/commit/5e60a8a0372b35a898796c2697c40e8daabed8e9ghsaWEB
- github.com/AndrewBurian/powermux/pull/42ghsaWEB
News mentions
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