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CVE-2026-54603 OAuth2::Client#request: Protocol-relative redirect Location overrides authority, leaking bearer Authorization to attacker host

🗓️ 28 Jul 2026 16:29:03Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

OAuth two client request leaks bearer Authorization header to attacker via protocol-relative redirect.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-54603
28 Jul 202616:29
attackerkb
cgr
Chainguard
CVE-2026-54603 vulnerabilities
29 Jul 202620:23
cgr
circl
Circl
CVE-2026-54603
28 Jul 202618:35
circl
cve
CVE
CVE-2026-54603
28 Jul 202616:29
cve
debiancve
Debian CVE
CVE-2026-54603
28 Jul 202616:29
debiancve
euvd
EUVD
EUVD-2026-49903
28 Jul 202616:29
euvd
github
Github Security Blog
OAuth2::Client#request: Protocol-relative redirect Location overrides authority, leaking bearer Authorization to attacker host
28 Jul 202616:32
github
nvd
NVD
CVE-2026-54603
28 Jul 202617:16
nvd
osv
OSV
CGA-V9XJ-H368-R4RJ
29 Jul 202620:03
osv
osv
OSV
DEBIAN-CVE-2026-54603
28 Jul 202617:16
osv
Rows per page
[
  {
    "vendor": "ruby-oauth",
    "product": "oauth2",
    "versions": [
      {
        "version": ">= 0.4.0, < 2.0.22",
        "status": "affected"
      }
    ]
  }
]

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