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01 Record

CVE-2020-26892

The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of how expired credentials are handled.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of how expired credentials are handled.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.32% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 83.0% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-11-06 07:36Z5 YR AGO
Last updated
2024-08-04 16:03Z2 YR AGO
Reserved
2020-10-08
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-798Use of Hard-coded CredentialsBase
Data version
5.1
Document digest
3ae48473e790c45344796c5d1d42860bc2b844c7a6931d8744bcc8a98347f16e

05 Affected products

VendorProductVersionsPlatforms
fedoraprojectfedoraNot specified—
linuxfoundationnats-serverNot specified—

06 References

07 Fixed in

Debian 12

  • golang-github-nats-io-jwt
    Fixed in 2.2.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • golang-github-nats-io-jwt
    Fixed in 2.2.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • golang-github-nats-io-jwt
    Fixed in 2.2.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • golang-github-nats-io-jwt
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • golang-github-nats-io-jwt
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.