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CVE-2026-21862: Authentication Bypass by Spoofing

🗓️ 03 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 6 Views

Authentication Bypass in RustFS before alpha.78 via spoofing X-Forwarded-For headers.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-21862
3 Feb 202616:06
–attackerkb
circl
Circl
CVE-2026-21862
3 Feb 202610:12
–circl
cnnvd
CNNVD
rustfs 安全漏洞
3 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-21862
3 Feb 202616:06
–cve
cvelist
Cvelist
CVE-2026-21862 RustFS sourceIp bypass via spoofed X-Forwarded-For/Real-IP headers
3 Feb 202616:06
–cvelist
euvd
EUVD
EUVD-2026-5219
3 Feb 202616:06
–euvd
github
Github Security Blog
RustFS has SourceIp bypass via spoofed X-Forwarded-For/Real-IP headers
3 Feb 202617:31
–github
mend
Mend
CVE-2026-21862
3 Feb 202616:06
–mend
nvd
NVD
CVE-2026-21862
3 Feb 202616:16
–nvd
osv_cve
osv_cve
CVE-2026-21862 RustFS sourceIp bypass via spoofed X-Forwarded-For/Real-IP headers
3 Feb 202616:06
–osv_cve
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23 Feb 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
CVSS 48.7
EPSS0.00245
SSVC
6