Changes.Watch~ upgrade verdicts ~
Free digest
CriticalPHP2Shell: is your PHP patched?

critical vulnerability

python-jose algorithm confusion guard bypassed by DER-encoded public keys

No fix yetCritical · CVSS 9.3EPSS 0.22%

Published Sep 3, 2026 · updated Oct 5, 2026

What to do

  1. Some affected packages have no fixed version yet: follow the advisory for mitigations and watch this page for the fix.
  2. Redeploy and restart long-running processes so they load the fixed code.

Affected packages

PyPIpython-jose

Vulnerable versions
<= 3.5.0
Fixed in
no fix yet

Check your project: pip show python-jose

Sources

CWE-347 Improper Verification of Cryptographic Signature

← All critical vulnerabilities