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CVE-2026-44161 Fluentd: Server-Side Request Forgery (SSRF) via Placeholder Expansion in `out_http`

🗓️ 08 Jul 2026 21:25:43Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 59 Views

Fluentd out_http SSRF via placeholder expansion; untrusted input can set outbound host, fixed in 1.19.3.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-44161
8 Jul 202621:25
attackerkb
cgr
Chainguard
CVE-2026-44161 vulnerabilities
30 Jun 202620:22
cgr
circl
Circl
CVE-2026-44161
1 Jul 202601:15
circl
cve
CVE
CVE-2026-44161
8 Jul 202621:25
cve
euvd
EUVD
EUVD-2026-42439
8 Jul 202621:25
euvd
github
Github Security Blog
Fluentd is Vulnerable to Server-Side Request Forgery (SSRF) via Placeholder Expansion in `out_http`
26 Jun 202616:36
github
jvn
Japan Vulnerability Notes
Multiple vulnerabilities in Fluentd
29 Jun 202605:18
jvn
nvd
NVD
CVE-2026-44161
8 Jul 202622:17
nvd
osv
OSV
BIT-FLUENTD-2026-44161 Fluentd: Server-Side Request Forgery (SSRF) via Placeholder Expansion in `out_http`
14 Jul 202608:42
osv
osv
OSV
CGA-2PQV-39C8-G4RR
27 Jun 202611:31
osv
Rows per page
[
  {
    "vendor": "fluent",
    "product": "fluentd",
    "versions": [
      {
        "version": "< 1.19.3",
        "status": "affected"
      }
    ]
  }
]

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