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Solution
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Workaround
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Tue, 19 May 2026 17:30:00 +0000
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| Metrics |
ssvc
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Tue, 19 May 2026 15:45:00 +0000
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| First Time appeared |
Hestiacp
Hestiacp hestiacp |
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| Vendors & Products |
Hestiacp
Hestiacp hestiacp |
Tue, 19 May 2026 14:30:00 +0000
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| Description | HestiaCP versions 1.2.0 through 1.9.4 contain an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass authentication security controls by supplying an arbitrary IP address in the CF-Connecting-IP HTTP header without verifying the request originated from Cloudflare's network. Attackers can exploit this to circumvent fail2ban brute-force protection, bypass per-user IP allowlists, and poison authentication audit logs by spoofing trusted IP addresses on each request. | |
| Title | HestiaCP 1.2.0-1.9.4 IP Spoofing via CF-Connecting-IP Header | |
| Weaknesses | CWE-348 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-05-19T16:39:31.444Z
Reserved: 2026-05-01T18:22:45.641Z
Link: CVE-2026-43634
Updated: 2026-05-19T16:39:27.735Z
Status : Received
Published: 2026-05-19T15:16:31.023
Modified: 2026-05-19T15:16:31.023
Link: CVE-2026-43634
No data.
OpenCVE Enrichment
Updated: 2026-05-19T15:30:08Z