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Update dependency jsonwebtoken to v9 [SECURITY] - #31

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Update dependency jsonwebtoken to v9 [SECURITY]#31
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renovate/npm-jsonwebtoken-vulnerability

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@renovate renovate Bot commented Aug 30, 2026

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This PR contains the following updates:

Package Change Age Confidence
jsonwebtoken ^8.5.1^9.0.0 age confidence
jsonwebtoken ^8.5.1^9.0.0 age confidence

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jsonwebtoken unrestricted key type could lead to legacy keys usage

CVE-2022-23539 / GHSA-8cf7-32gw-wr33

More information

Details

Overview

Versions <=8.5.1 of jsonwebtoken library could be misconfigured so that legacy, insecure key types are used for signature verification. For example, DSA keys could be used with the RS256 algorithm.

Am I affected?

You are affected if you are using an algorithm and a key type other than the combinations mentioned below

Key type algorithm
ec ES256, ES384, ES512
rsa RS256, RS384, RS512, PS256, PS384, PS512
rsa-pss PS256, PS384, PS512

And for Elliptic Curve algorithms:

alg Curve
ES256 prime256v1
ES384 secp384r1
ES512 secp521r1
How do I fix it?

Update to version 9.0.0. This version validates for asymmetric key type and algorithm combinations. Please refer to the above mentioned algorithm / key type combinations for the valid secure configuration. After updating to version 9.0.0, If you still intend to continue with signing or verifying tokens using invalid key type/algorithm value combinations, you’ll need to set the allowInvalidAsymmetricKeyTypes option to true in the sign() and/or verify() functions.

Will the fix impact my users?

There will be no impact, if you update to version 9.0.0 and you already use a valid secure combination of key type and algorithm. Otherwise, use the allowInvalidAsymmetricKeyTypes option to true in the sign() and verify() functions to continue usage of invalid key type/algorithm combination in 9.0.0 for legacy compatibility.

Severity

  • CVSS Score: 8.1 / 10 (High)
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

auth0/node-jsonwebtoken (jsonwebtoken)

v9.0.3

Compare Source

  • updates jws version to 4.0.1.

v9.0.2

Compare Source

  • security: updating semver to 7.5.4 to resolve CVE-2022-25883, closes #​921.
  • refactor: reduce library size by using lodash specific dependencies, closes #​878.

v9.0.1

Compare Source

  • fix(stubs): allow decode method to be stubbed

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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mergify Bot commented Aug 30, 2026

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