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CVE-2026-27824

🗓️ 27 Feb 2026 19:46:07Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 43 Views

Calibre server before 9.4.0 bypasses IP bans via forwarded header spoofing, weakening brute force protection.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-27824
27 Feb 202619:46
attackerkb
cnnvd
CNNVD
Calibre 访问控制错误漏洞
27 Feb 202600:00
cnnvd
cvelist
Cvelist
CVE-2026-27824 calibre has IP Ban Bypass via X-Forwarded-For Header Spoofing
27 Feb 202619:46
cvelist
debian
Debian
[SECURITY] [DLA 4705-1] calibre security update
29 Jul 202608:30
debian
debiancve
Debian CVE
CVE-2026-27824
27 Feb 202619:46
debiancve
nessus
Tenable Nessus
Debian dla-4705 : calibre - security update
29 Jul 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-27824
4 Mar 202600:00
nessus
euvd
EUVD
EUVD-2026-9057
27 Feb 202619:46
euvd
nvd
NVD
CVE-2026-27824
27 Feb 202620:21
nvd
osv
OSV
CVE-2026-27824 calibre has IP Ban Bypass via X-Forwarded-For Header Spoofing
27 Feb 202619:46
osv
Rows per page
NVD
Vulners
Node
[
  {
    "vendor": "kovidgoyal",
    "product": "calibre",
    "versions": [
      {
        "version": "< 9.4.0",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:27Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
EPSS0.00148
SSVC
43