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CVE-2026-59882 guzzlehttp/psr7: Host Confusion via Weak URI Host Validation

🗓️ 08 Jul 2026 15:50:03Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

CVE-2026-59882: GuzzleHttp PSR-7 host validation flaw allows authority mismatch before 2.12.3.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-59882
8 Jul 202615:50
attackerkb
Circl
CVE-2026-59882
8 Jul 202619:40
circl
CVE
CVE-2026-59882
8 Jul 202615:50
cve
Debian CVE
CVE-2026-59882
8 Jul 202615:50
debiancve
EUVD
EUVD-2026-42319
21 Jul 202618:35
euvd
Github Security Blog
guzzlehttp/psr7: Host Confusion via Weak URI Host Validation
21 Jul 202618:35
github
NVD
CVE-2026-59882
8 Jul 202617:17
nvd
OSV
CVE-2026-59882 guzzlehttp/psr7: Host Confusion via Weak URI Host Validation
8 Jul 202615:50
osv
OSV
DEBIAN-CVE-2026-59882
8 Jul 202617:17
osv
OSV
GHSA-C2W2-PRH8-QM98 guzzlehttp/psr7: Host Confusion via Weak URI Host Validation
21 Jul 202618:35
osv
Rows per page
[
  {
    "vendor": "guzzle",
    "product": "psr7",
    "versions": [
      {
        "version": "< 2.12.3",
        "status": "affected"
      }
    ]
  }
]

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08 Jul 2026 15:50Current
CVSS 3.14.2
EPSS0.00186
47