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CVE-2026-55568 Guzzle: Silent HTTPS-Proxy Downgrade to Cleartext

🗓️ 23 Jun 2026 14:54:23Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Guzzle fixes downgrade to cleartext proxy traffic with old libcurl in curl handlers; credentials exposed.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-55568
23 Jun 202614:54
attackerkb
Chainguard
CVE-2026-55568 vulnerabilities
23 Jun 202608:17
cgr
CVE
CVE-2026-55568
23 Jun 202614:54
cve
Debian CVE
CVE-2026-55568
23 Jun 202614:54
debiancve
EUVD
EUVD-2026-38456
23 Jun 202614:54
euvd
Friends Of PHP
Silent HTTPS proxy downgrade to cleartext
18 Jun 202614:12
friendsofphp
Github Security Blog
guzzlehttp/guzzle: Silent HTTPS-Proxy Downgrade to Cleartext
19 Jun 202614:17
github
NVD
CVE-2026-55568
23 Jun 202616:17
nvd
OSV
CGA-PJG6-G657-F2MC
22 Jun 202614:54
osv
OSV
DEBIAN-CVE-2026-55568
19 Jun 202619:09
osv
Rows per page
[
  {
    "vendor": "guzzle",
    "product": "guzzle",
    "versions": [
      {
        "version": "< 7.12.1",
        "status": "affected"
      }
    ]
  }
]

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