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Update dependency jsonwebtoken to v9 [SECURITY]#14

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updates/npm-jsonwebtoken-vulnerability
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Update dependency jsonwebtoken to v9 [SECURITY]#14
renovate[bot] wants to merge 1 commit intomasterfrom
updates/npm-jsonwebtoken-vulnerability

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@renovate renovate Bot commented Mar 16, 2023

This PR contains the following updates:

Package Change Age Adoption Passing Confidence
jsonwebtoken ^8.5.1^9.0.0 age adoption passing confidence

GitHub Vulnerability Alerts

CVE-2022-23540

Overview

In versions <=8.5.1 of jsonwebtoken library, lack of algorithm definition and a falsy secret or key in the jwt.verify() function can lead to signature validation bypass due to defaulting to the none algorithm for signature verification.

Am I affected?

You will be affected if all the following are true in the jwt.verify() function:

  • a token with no signature is received
  • no algorithms are specified
  • a falsy (e.g. null, false, undefined) secret or key is passed

How do I fix it?

Update to version 9.0.0 which removes the default support for the none algorithm in the jwt.verify() method.

Will the fix impact my users?

There will be no impact, if you update to version 9.0.0 and you don’t need to allow for the none algorithm. If you need 'none' algorithm, you have to explicitly specify that in jwt.verify() options.

Severity
  • CVSS Score: 6.4 / 10 (Medium)
  • Vector String: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L

Release Notes

auth0/node-jsonwebtoken (jsonwebtoken)

v9.0.0

Compare Source

Breaking changes: See Migration from v8 to v9

Breaking changes
  • Removed support for Node versions 11 and below.
  • The verify() function no longer accepts unsigned tokens by default. ([8345030]8345030)
  • RSA key size must be 2048 bits or greater. ([ecdf6cc]ecdf6cc)
  • Key types must be valid for the signing / verification algorithm
Security fixes
  • security: fixes Arbitrary File Write via verify function - CVE-2022-23529
  • security: fixes Insecure default algorithm in jwt.verify() could lead to signature validation bypass - CVE-2022-23540
  • security: fixes Insecure implementation of key retrieval function could lead to Forgeable Public/Private Tokens from RSA to HMAC - CVE-2022-23541
  • security: fixes Unrestricted key type could lead to legacy keys usage - CVE-2022-23539

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate Bot added the security label Mar 16, 2023
@renovate renovate Bot force-pushed the updates/npm-jsonwebtoken-vulnerability branch from efe8122 to 31cdcd7 Compare August 11, 2025 08:14
@renovate renovate Bot force-pushed the updates/npm-jsonwebtoken-vulnerability branch from 31cdcd7 to af997ab Compare October 23, 2025 07:02
@renovate renovate Bot force-pushed the updates/npm-jsonwebtoken-vulnerability branch from af997ab to 59f5787 Compare January 1, 2026 11:38
@renovate renovate Bot force-pushed the updates/npm-jsonwebtoken-vulnerability branch from 59f5787 to 5214f19 Compare February 13, 2026 20:09
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