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CVE-2026-48523 PyJWT: Algorithm allow-list bypass when decoding with `PyJWK` / `PyJWKClient` keys

🗓️ 28 May 2026 15:10:19Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2026-48523: PyJWT allow-list bypass with PyJWK keys; fixed in 2.13.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins
Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerabilities in pyjwt-2.12.1-py3-none-any.whl
17 Jun 202615:32
ibm
ATTACKERKB
CVE-2026-48523
28 May 202615:10
attackerkb
Chainguard
CVE-2026-48523 vulnerabilities
16 Jun 202620:22
cgr
Circl
CVE-2026-48523
21 May 202620:34
circl
CNNVD
pyjwt 安全漏洞
28 May 202600:00
cnnvd
CVE
CVE-2026-48523
28 May 202615:10
cve
Debian CVE
CVE-2026-48523
28 May 202615:10
debiancve
EUVD
EUVD-2026-32918
15 Jun 202619:27
euvd
Github Security Blog
PyJWT: Algorithm allow-list bypass when decoding with `PyJWK` / `PyJWKClient` keys
15 Jun 202619:27
github
NVD
CVE-2026-48523
28 May 202616:16
nvd
Rows per page
[
  {
    "vendor": "jpadilla",
    "product": "pyjwt",
    "versions": [
      {
        "version": ">= 2.9.0, < 2.13.0",
        "status": "affected"
      }
    ]
  }
]

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