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CVE-2026-27604

🗓️ 23 Jun 2026 14:25:20Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 77 Views🌐 WEB

CVE-2026-27604: FOSSBilling allows unauthenticated access to system admin APIs due to role validation flaw.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-28496
10 Sep 202607:18
–githubexploit
attackerkb
attackerkb
CVE-2026-27604
23 Jun 202614:25
–attackerkb
circl
Circl
CVE-2026-27604
23 Jun 202616:16
–circl
cvelist
Cvelist
CVE-2026-27604 FOSSBilling: Improper API Role Validation (system) Enables Unauthenticated Access to Privileged Admin Functions
23 Jun 202614:25
–cvelist
euvd
EUVD
EUVD-2026-38451
23 Jun 202614:25
–euvd
kitploit
Kitploit
CVE-2026-28496
23 Oct 202603:49
–kitploit
mend
Mend
CVE-2026-27604
23 Jun 202614:25
–mend
nuclei
Nuclei
FOSSBilling 0.5.4-0.7.x - Unauthenticated System API Role Authorization Bypass
24 Oct 202602:05
–nuclei
nvd
NVD
CVE-2026-27604
23 Jun 202615:16
–nvd
ptsecurity
Positive Technologies
PT-2026-51521
23 Jun 202600:00
–ptsecurity
Rows per page
Vulners
Node
fossbillingfossbillingRange0.5.4–0.8.0
[
  {
    "vendor": "FOSSBilling",
    "product": "FOSSBilling",
    "versions": [
      {
        "version": ">= 0.5.4, < 0.8.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
_tplrequest body/api/system/system/string_renderAuth bypass enables unauthenticated access to admin API methods via the system path; _tpl is rendered via Twig, enabling potential SSTI/RCE when combined with other vulnerabilities.CWE-200, CWE-306, CWE-862, CWE-863

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23 Jun 2026 16:16Current
5.9Medium risk
Vulners AI Score5.9
CVSS 410
EPSS0.01264
SSVC
77