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CVE-2026-27962 Authlib JWS JWK Header Injection: Signature Verification Bypass

🗓️ 16 Mar 2026 17:34:38Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 70 Views

Authlib header injection allows unauthenticated token forging that bypasses verification.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-27962
16 Mar 202617:34
–attackerkb
avleonov
Information Security Automation
March Linux Patch Wednesday
30 Mar 202620:00
–avleonov
bdu_fstec
BDU FSTEC
JOSE Authlib Auth Bypass
1 Apr 202600:00
–bdu_fstec
circl
Circl
CVE-2026-27962
15 Mar 202617:47
–circl
cnnvd
CNNVD
Authlib data forgery vulnerability
16 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-27962
16 Mar 202617:34
–cve
debian
Debian
[SECURITY] [DLA 4579-1] python-authlib security update
11 May 202619:06
–debian
debian
Debian
[SECURITY] [DLA 4708-1] python-authlib security update
31 Jul 202615:46
–debian
debiancve
Debian CVE
CVE-2026-27962
16 Mar 202617:34
–debiancve
nessus
Tenable Nessus
Debian dla-4579 : python-authlib-doc - security update
11 May 202600:00
–nessus
Rows per page
[
  {
    "vendor": "authlib",
    "product": "authlib",
    "versions": [
      {
        "version": "< 1.6.9",
        "status": "affected"
      }
    ]
  }
]

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16 Mar 2026 17:34Current
CVSS 3.19.1
EPSS0.0057
SSVC
70