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EUVD-2026-51854

🗓️ 01 Aug 2026 12:22:17Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 16 Views

Older Guzzle versions fail to isolate Proxy-Authorization headers, risking proxy credential leakage via origin logs.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-67339
1 Aug 202612:22
attackerkb
cgr
Chainguard
CVE-2026-67339 vulnerabilities
4 Aug 202614:17
cgr
circl
Circl
CVE-2026-67339
1 Aug 202622:02
circl
cve
CVE
CVE-2026-67339
1 Aug 202612:22
cve
cvelist
Cvelist
CVE-2026-67339 guzzlehttp/guzzle before 7.14.2 Proxy-Authorization Header Disclosure
1 Aug 202612:22
cvelist
debiancve
Debian CVE
CVE-2026-67339
1 Aug 202612:22
debiancve
github
Github Security Blog
Duplicate Advisory: Guzzle: Proxy-Authorization headers can be sent to origin servers
1 Aug 202615:30
github
github
Github Security Blog
Guzzle: Proxy-Authorization headers can be sent to origin servers
20 Jul 202621:46
github
nvd
NVD
CVE-2026-67339
1 Aug 202613:17
nvd
osv
OSV
CGA-3JHW-MMMF-6R26
4 Aug 202613:26
osv
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "ab11dd9c-dc11-3e43-bebf-9ddc33e300a0",
        "vendor": {
          "name": "guzzle"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "cc9b5c82-4fdd-3b39-91b0-99f891fb6a5f",
        "product": {
          "name": "guzzle",
          "vendor": {
            "name": "guzzle"
          }
        },
        "product_version": "0 <7.14.2"
      }
    ]
  }
]

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01 Aug 2026 12:22Current
5.5Medium risk
Vulners AI Score5.5
CVSS 46.9
CVSS 3.15.3
EPSS0.00233
16