CVE-2026-88877
🗓️ 10 Sep 2026 13:05:29Reported by VulnCheckType 
cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 93 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 15 |
|---|---|---|---|---|
 | Exploit for Authorization Bypass Through User-Controlled Key in Traefik | 22 Sep 202623:14 | – | githubexploit |
 | CVE-2026-88877 | 10 Sep 202613:05 | – | alpinelinux |
 | CVE-2026-88877 | 10 Sep 202613:50 | – | circl |
 | CVE-2026-88877 Traefik v3.7.0 Authentication Bypass via from-to-www-redirect | 10 Sep 202613:05 | – | cvelist |
 | EUVD-2026-75427 | 10 Sep 202613:05 | – | euvd |
 | CVE-2026-88877-PoC-pwnVader | 17 Oct 202622:20 | – | kitploit |
 | CVE-2026-88877 | 10 Sep 202613:05 | – | mend |
 | CVE-2026-88877 | 10 Sep 202614:17 | – | nvd |
 | MINI-8XM8-R3JF-GR3G | 15 Sep 202615:30 | – | osv_mini |
| MINI-PM8F-62QF-MWVV | 15 Sep 202615:30 | – | osv_mini |
10
[
{
"vendor": "traefik",
"product": "traefik",
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/traefik/traefik/v3",
"versions": [
{
"version": "3.7.0",
"status": "affected",
"versionType": "semver",
"lessThanOrEqual": "3.7.13"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| Host | header | Host: www.example.com:x | Authentication bypass in Traefik (v3.7.0-v3.7.11) when using the nginx.ingress.kubernetes.io/from-to-www-redirect annotation. A request with a non-numeric port (e.g., :x) triggers a sibling router that bypasses authentication middlewares and proxies directly to the protected backend. | CWE-639 |
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08 Oct 2026 16:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 49.3
CVSS 3.19.8
EPSS0.00649
SSVC