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CVE-2026-32597

🗓️ 12 Mar 2026 23:03:46Reported by redhat.comType 
redhatcve
 redhatcve🔗 access.redhat.com👁 1 Views

PyJWT does not validate the crit header in JWS, risking acceptance of unknown extensions.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities in IBM watsonx Code Assistant On Prem
9 Apr 202610:57
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities in IBM watsonx Code Assistant On Prem
23 Mar 202615:13
–ibm
IBM Security Bulletins		Security Bulletin: IBM Edge Data Collector uses PyJWT-2.10.1-py3-none-any.whl, pyjwt-2.11.0-py3-none-any.whl which is vulnerable to CVE-2026-32597.
4 May 202614:36
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in pyjwt-2.11.0-py3-none-any.whl
29 Apr 202617:40
–ibm
IBM Security Bulletins		Security Bulletin: PyJWT Fails to Validate Critical (crit) Header Parameter, Allowing Token Acceptance
4 May 202612:30
–ibm
ATTACKERKB		CVE-2026-32597
12 Mar 202621:41
–attackerkb
Tenable Nessus		Amazon Linux 2023 : python3-jwt, python3-jwt+crypto (ALAS2023-2026-1519)
2 Apr 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : fence-agents (ALSA-2026:12176)
30 Apr 202600:00
–nessus
Tenable Nessus		AlmaLinux 10 : fence-agents (ALSA-2026:13916)
6 May 202600:00
–nessus
Tenable Nessus		Debian dla-4564 : python3-jwt - security update
5 May 202600:00
–nessus
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12 Mar 2026 23:03Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.5
EPSS0.00014
SSVC
CWE-347
pyjwtcritical header parameterjson web signaturemissing verificationrfc 7515
1