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CVE-2026-41479 Authlib OAuth 2.0 authorization endpoint open redirects to attacker-controlled redirect_uri on unsupported response_type

🗓️ 22 Jun 2026 20:35:13Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 60 Views

Authlib OAuth 2.0 endpoint allows unauthenticated open redirects with unsupported response_type and attacker redirect_uri.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-41479
22 Jun 202620:35
–attackerkb
bdu_fstec
BDU FSTEC
Authlib OAuth Redirect
21 Sep 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-41479 vulnerabilities
16 Sep 202602:54
–cgr
circl
Circl
CVE-2026-41479
8 Jun 202607:25
–circl
cve
CVE
CVE-2026-41479
22 Jun 202620:35
–cve
debiancve
Debian CVE
CVE-2026-41479
22 Jun 202620:35
–debiancve
euvd
EUVD
EUVD-2026-38360
22 Jun 202620:35
–euvd
github
Github Security Blog
Authlib OAuth 2.0 has Open Redirect in Authorization API that allows attacker-controlled redirect_uri through unsupported response_type
8 Jun 202617:52
–github
mend
Mend
CVE-2026-41479
22 Jun 202620:35
–mend
nvd
NVD
CVE-2026-41479
22 Jun 202621:16
–nvd
Rows per page
[
  {
    "vendor": "authlib",
    "product": "authlib",
    "versions": [
      {
        "version": "< 1.6.10",
        "status": "affected"
      },
      {
        "version": "= 1.7.0",
        "status": "affected"
      }
    ]
  }
]

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22 Jun 2026 20:35Current
CVSS 3.15.4
EPSS0.00257
SSVC
60