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  5. CVE-2020-26892

CVE-2020-26892: Incorrect handling of credential expiry by /nats-io/nats-server

February 11, 2022 (updated October 3, 2025)

Time-based credential expiry did not work.

References

  • advisories.nats.io/CVE/CVE-2020-26892.txt
  • github.com/advisories/GHSA-4w5x-x539-ppf5
  • github.com/nats-io/jwt
  • github.com/nats-io/jwt/commit/e11ce317263cef69619fc1ca743b195d02aa1d8a
  • github.com/nats-io/jwt/security/advisories/GHSA-4w5x-x539-ppf5
  • github.com/nats-io/nats-server/commit/1e08b67f08e18cd844dce833a265aaa72500a12f
  • github.com/nats-io/nats-server/commits/master
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI
  • nvd.nist.gov/vuln/detail/CVE-2020-26892
  • pkg.go.dev/vuln/GO-2022-0380
  • www.openwall.com/lists/oss-security/2020/11/02/2

Code Behaviors & Features

Detect and mitigate CVE-2020-26892 with GitLab Dependency Scanning

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Affected versions

All versions before 1.1.0

Fixed versions

  • 1.1.0

Solution

Upgrade to version 1.1.0 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-798: Use of Hard-coded Credentials

Source file

go/github.com/nats-io/jwt/CVE-2020-26892.yml

Spotted a mistake? Edit the file on GitLab.

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