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CVE-2026-33534 EspoCRM has authenticated SSRF via internal-host validation bypass using alternative IPv4 notation

🗓️ 13 Apr 2026 19:20:04Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

EspoCRM before 9.3.4 suffers authenticated SSRF via octal IPv4 bypass of internal host validation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
GithubExploit
Exploit for Server-Side Request Forgery in Espocrm
8 May 202617:22
githubexploit
ATTACKERKB
CVE-2026-33534
13 Apr 202619:20
attackerkb
Circl
CVE-2026-33534
8 May 202614:59
circl
CNNVD
EspoCRM 代码问题漏洞
13 Apr 202600:00
cnnvd
CVE
CVE-2026-33534
13 Apr 202619:20
cve
Exploit DB
EspoCRM 9.3.3 - SSRF
27 May 202600:00
exploitdb
EUVD
EUVD-2026-22079
13 Apr 202619:20
euvd
Nuclei
EspoCRM <= 9.3.3 - Server-Side Request Forgery
16 Jun 202607:13
nuclei
NVD
CVE-2026-33534
13 Apr 202620:16
nvd
Packet Storm
📄 EspoCRM 9.3.3 Server-Side Request Forgery
29 May 202600:00
packetstorm
Rows per page
[
  {
    "vendor": "espocrm",
    "product": "espocrm",
    "versions": [
      {
        "version": "< 9.3.4",
        "status": "affected"
      }
    ]
  }
]

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